Document:

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                                                             EXHIBIT 10.62.1

                 FIRST AMENDMENT TO LOAN AND SECURITY AGREEMENT
                         AND CONDITIONAL DEFAULT WAIVER

      THIS FIRST AMENDMENT TO LOAN AND SECURITY AGREEMENT AND CONDITIONAL
DEFAULT WAIVER (this "Amendment"), dated as of June 10, 2004, is entered into
among CONGRESS FINANCIAL CORPORATION (WESTERN), a California corporation
("Agent"), as administrative and collateral agent for the lenders party to the
Loan Agreement (as defined below) from time to time ("Lenders"), CONGRESS
FINANCIAL CORPORATION (WESTERN), a California corporation, as a Lender
("Congress"), ROCKFORD CORPORATION, an Arizona corporation ("Rockford"), and
AUDIO INNOVATIONS, INC., an Oklahoma corporation ("AII" and together with
Rockford, collectively, "Borrowers").

                                    RECITALS

      A. Agent, Congress, Wachovia Bank, National Association, as arranger, and
Borrowers have previously entered into that certain Loan and Security Agreement
dated March 29, 2004 (the "Loan Agreement"), pursuant to which Congress has made
certain loans and financial accommodations available to Borrowers. Terms used
herein without definition shall have the meanings ascribed to them in the Loan
Agreement.

      B. As Borrowers have advised Agent, an Event of Default has occurred and
is continuing under Section 10.1(i) of the Loan Agreement by virtue of the
Borrowers' failure to maintain the minimum Fixed Charge Coverage Ratio during
the two (2) months ended April 30, 2004 as required in Section 9.17 of the Loan
and Security Agreement dated March 29, 2004 among Hilco Capital LP ("Hilco") and
Borrowers (the "Known Existing Default").

      C. Borrowers now desire to repay the Hilco Note in full from the proceeds
of the 4.5% Convertible Senior Subordinated Secured Notes due 2009 to be issued
by Rockford in an aggregate principal sum not less than $7,500,000 (the
"Convertible Notes") pursuant to the Indenture dated as of June 10, 2004 (the
"Indenture") between Rockford and BNY Western Trust Company, as trustee
thereunder ("Trustee").

      D. Borrowers have requested Agent and Congress to waive the Known Existing
Default and to consent to the issuance of the Convertible Notes, and Agent,
Congress and Borrowers are now willing to amend the Loan Agreement on the terms
and conditions set forth herein.

      E. Borrowers are entering into this Amendment with the understanding and
agreement that, except as specifically provided herein, none of Agent's or
Lenders' rights or remedies as set forth in the Loan Agreement is being waived
or modified by the terms of this Amendment.

                                    AGREEMENT

<PAGE>

      NOW, THEREFORE, in consideration of the foregoing and the mutual covenants
herein contained, and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereby agree as
follows:

      1. Conditional Default Waiver. Agent and Congress hereby waive enforcement
of their rights and remedies against Borrowers arising from the Known Existing
Default, so long as Hilco does not provide Agent or Congress with a "Lien
Enforcement Notice" as defined in the Intercreditor Agreement dated as of March
29, 2004 between Agent and Hilco; provided that Agent may (on account of the
Known Existing Default) charge the higher Interest Rate as set forth in the
proviso of the definition of "Interest Rate" in Section 1.52 of the Loan
Agreement, and the higher letter of credit fee as set forth in Section 2.2(b) of
the Loan Agreement, during the period from and including May 1, 2004 to the date
on which this Amendment becomes effective; and provided further that in lieu of
the Reserves described in the third and fourth sentences of Section 1.86 of the
Loan Agreement, Agent will establish a permanent Reserve in the amount of Eight
Million Dollars ($8,000,000). This waiver shall be effective only for the
specific default comprising the Known Existing Default, and in no event shall
this waiver be deemed to be a waiver of enforcement of Agent's or Congress'
rights with respect to any other Defaults or Events of Default now existing or
hereafter arising. Nothing contained in this Amendment nor any communications
between Borrowers and Agent or Congress shall be a waiver of any rights or
remedies Agent or Congress has or may have against Borrowers, except as
specifically provided herein. Except as specifically provided herein, Agent and
Congress hereby reserve and preserve all of their rights and remedies against
Borrowers under the Loan Agreement and the other Financing Agreement.

      2. Consent to the Convertible Notes. Agent and Congress hereby consent to
the issuance of the Convertible Notes and to the subordinate security interests
granted by Borrowers as security therefor, provided that (a) the Trustee (as
collateral agent for the holders of the Convertible Notes) and Borrowers duly
execute and deliver an Intercreditor Agreement in form and substance
satisfactory to Agent, and (b) the net proceeds of the Convertible Notes are
applied first to the repayment of the Hilco Note in full.

      3. Amendments to Loan Agreement.

            (a) Section 1.34 of the Loan Agreement is hereby amended and
restated to read in its entirety as follows:

            "1.34 `Eurodollar Rate Margin' shall mean three percent (3.00%) per
      annum, provided that so long as no Default or Event of Default has
      occurred and is continuing, and subject to Agent's receipt of Borrower
      Agent's Form 10-K (as filed with the Securities and Exchange Commission)
      and its audited financial statements as required hereunder for the fiscal
      year ending December 31, 2004, and subject further to Agent's receipt of
      Borrower Agent's Form 10-Q or Form 10-K (as applicable and as filed with
      the Securities and Exchange Commission) and its financial statements as
      required hereunder for each fiscal quarter commencing with the fiscal
      quarter ending March 31, 2005, the Eurodollar Rate Margin shall be
      adjusted (effective as of the first day of the month immediately following
      Agent's receipt of those documents) as follows based upon the average
      daily Excess Availability hereunder during such fiscal quarter:

                                       2
<PAGE>

<TABLE>
<CAPTION>
        Excess Availability                             Eurodollar Rate Margin
------------------------------------                    ----------------------
<S>                                                     <C>
Greater than or equal to $10,000,000                            2.50%
Greater than or equal to $ 9,000,000                            2.75%
Greater than or equal to $ 8,000,000                            3.00%
      Less than $ 8,000,000                                     3.25%"
</TABLE>

            (b) Section 1.52 of the Loan Agreement is hereby amended and
restated to read in its entirety as follows:

            "1.52 `Interest Rate' shall mean, as to Prime Rate Loans, a rate
      equal to the sum of the Prime Rate Margin plus the Prime Rate and, as to
      Eurodollar Rate Loans, a rate equal to the sum of the Eurodollar Rate
      Margin plus the Adjusted Eurodollar Rate (based on the Eurodollar Rate
      applicable for the Interest Period selected by Borrowers as in effect
      three (3) Business Days after the date of receipt by Agent of the request
      of Borrowers for such Eurodollar Rate Loans in accordance with the terms
      hereof, whether such rate is higher or lower than any rate previously
      quoted to Borrowers) and, as to the Term Loans, a rate equal to one and
      one-half percent (1.50%) per annum in excess of the Prime Rate; provided,
      that, notwithstanding anything to the contrary contained herein, the
      Interest Rate shall mean a rate two percent (2.00%) higher than those
      provided above, at Agent's option, without notice, (a) either (i) for the
      period on and after the date of termination or non-renewal hereof until
      such time as all Obligations are indefeasibly paid and satisfied in full
      in immediately available funds, or (ii) for the period from and after the
      date of the occurrence of any Event of Default, and for so long as such
      Event of Default is continuing as reasonably determined by Agent and (b)
      on the Revolving Loans at any time outstanding in excess of the amounts
      available to Borrowers under Section 2 (whether or not such excess(es)
      arise or are made with or without Agent's or any Lender's knowledge or
      consent and whether made before or after an Event of Default)."

            (c) Section 1.56 of the Loan Agreement is hereby amended and
restated to read in its entirety as follows:

            "1.56 `Letter of Credit Rate' shall mean three percent (3.00%) per
      annum, provided that so long as no Default or Event of Default has
      occurred and is continuing, and subject to Agent's receipt of Borrower
      Agent's Form 10-K (as filed with the Securities and Exchange Commission)
      and its audited financial statements as required hereunder for the fiscal
      year ending December 31, 2004, and subject further to Agent's receipt of
      Borrower Agent's Form 10-Q or Form 10-K (as applicable and as filed with
      the Securities and Exchange Commission) and its financial statements as
      required hereunder for each fiscal quarter commencing with the fiscal
      quarter ending March 31, 2005, the Letter of Credit Rate shall be adjusted
      (effective as of the first day of the month immediately following Agent's
      receipt of those documents) as follows based upon the average daily Excess
      Availability hereunder during such fiscal quarter:

                                       3
<PAGE>

<TABLE>
<CAPTION>
       Excess Availability                                 Letter of Credit Rate
------------------------------------                       ---------------------
<S>                                                        <C>
Greater than or equal to $10,000,000                               2.50%
Greater than or equal to $ 9,000,000                               2.75%
Greater than or equal to $ 8,000,000                               3.00%
       Less than $8,000,000                                        3.25%"
</TABLE>

            (d) Section 1.60 of the Loan Agreement is hereby amended and
restated to read in its entirety as follows:

            "1.60 `Maximum Credit' shall mean the amount of Thirty-Five Million
      Dollars ($35,000,000) until the date on which Congress Financial
      Corporation (Western) as a Lender has assigned not less than $15,000,000
      of its Total Commitment to a new Lender or new Lenders hereunder, and
      shall mean Forty-Five Million Dollars ($45,000,000) on and after such
      date."

            (e) Section 1.76 of the Loan Agreement is hereby amended and
restated to read in its entirety as follows:

            "1.76 `Prime Rate Margin' shall mean one percent (1.00%) per annum,
      provided that so long as no Default or Event of Default has occurred and
      is continuing, and subject to Agent's receipt of Borrower Agent's Form
      10-K (as filed with the Securities and Exchange Commission) and its
      audited financial statements as required hereunder for the fiscal year
      ending December 31, 2004, and subject further to Agent's receipt of
      Borrower Agent's Form 10-Q or Form 10-K (as applicable and as filed with
      the Securities and Exchange Commission) and its financial statements as
      required hereunder for each fiscal quarter commencing with the fiscal
      quarter ending March 31, 2005, the Prime Rate Margin shall be adjusted
      (effective as of the first day of the month immediately following Agent's
      receipt of those documents) as follows based upon the average daily Excess
      Availability hereunder during such fiscal quarter:

<TABLE>
<CAPTION>
       Excess Availability                                     Prime Rate Margin
------------------------------------                       ---------------------
<S>                                                        <C>
Greater than or equal to $10,000,000                                 0.50%
Greater than or equal to $ 9,000,000                                 0.75%
Greater than or equal to $ 8,000,000                                 1.00%
       Less than $8,000,000                                          1.25%"
</TABLE>

            (f) Section 9.17 of the Loan Agreement is hereby amended and
restated to read in its entirety as follows:

            "9.17 Fixed Charge Coverage Ratio. Borrowers and their Subsidiaries,
      on a consolidated basis, shall maintain a Fixed Charge Coverage Ratio of
      not less than 1.50 to one for each period of twelve (12) consecutive
      months ending on the last day of a fiscal quarter commencing with the
      fiscal quarter ending June 30, 2005."

            (g) A new Section 9.17.1 is hereby added to the Loan Agreement as
follows:

                                       4
<PAGE>

            "9.17.1 EBITDA. Borrowers and their Subsidiaries, on a consolidated
      basis, shall earn EBITDA, calculated as of the last day of each month set
      forth below on the basis of the trailing twelve (12) months or, if less,
      the number of months that have elapsed from and including June 2004, of
      not less then the amount set forth opposite such month:

<TABLE>
<CAPTION>
       Month                                   Amount
---------------------                        ----------
<S>                                          <C>
August 2004                                  $  300,000
September 2004                               $1,500,000
October 2004                                 $2,500,000
November 2004                                $3,000,000
December 2004                                $3,150,000
January 2005                                 $3,500,000
February 2005                                $4,150,000
March 2005                                   $4,300,000
April 2005                                   $4,500,000
May 2005                                     $5,000,000
Each Month Thereafter                        $5,500,000
</TABLE>

            For the purposes hereof, `EBITDA' shall mean the net income of
      Borrowers and their Subsidiaries determined on a consolidated basis in
      accordance with GAAP consistently applied, but excluding any extraordinary
      or one-time gains, plus (a) depreciation, amortization and other non-cash
      charges (to the extent deducted in the computation of such net income),
      plus (b) Interest Expense (to the extent deducted in the computation of
      such net income), plus (c) charges for federal, state, local and foreign
      income taxes (to the extent deducted in the computation of such income)."

            (h) New clauses (n) and (o) are hereby added to Section 10.1 of the
Loan Agreement as follows, and existing clauses (n) and (o) thereof are hereby
re-designated as clauses (p) and (q), respectively:

            "(n) the common stock of Rockford shall not be authorized for
      quotation or listing on The New York Stock Exchange, Inc., the American
      Stock Exchange, Inc. or The Nasdaq National Market or SmallCap Market;"

            "(o) without Agent's prior written consent, Rockford exercises any
      optional right to redeem all or any portion of the 4.5% Convertible Senior
      Subordinated Secured Notes due 2009 issued by Rockford pursuant to the
      Indenture dated as of June 10, 2004 between Rockford and BNY Western Trust
      Company, as trustee thereunder;"

                                       5
<PAGE>

      4. Effectiveness of this Amendment. Agent must have received the following
items, in form and content acceptable to Agent, before this Amendment and the
waivers and consents provided herein are effective.

            (a) Amendment; Acknowledgement. This Amendment and the attached
Acknowledgement by Guarantors, each fully executed in a sufficient number of
counterparts for distribution to all parties.

            (b) Waiver Fee. A waiver fee in the amount of Ninety Thousand
Dollars ($90,000), which fee is fully earned as of, and due and payable on, the
date hereof.

            (c) Representations and Warranties. The representations and
warranties set forth herein and in the Loan Agreement must be true and correct,
other than representations and warranties relating to the Known Existing
Default.

            (d) Other Required Documentation. All other documents and legal
matters in connection with the transactions contemplated by this Amendment shall
have been delivered or executed or recorded and shall be in form and substance
satisfactory to Agent.

      5. Representations and Warranties. Each Borrower represents and warrants
as follows:

            (a) Authority. Such Borrower has the requisite corporate power and
authority to execute and deliver this Amendment, and to perform its obligations
hereunder and under the Financing Agreements (as amended or modified hereby) to
which it is a party. The execution, delivery and performance by such Borrower of
this Amendment have been duly approved by all necessary corporate action and no
other corporate proceedings are necessary to consummate such transactions.

            (b) Enforceability. This Amendment has been duly executed and
delivered by such Borrower. This Amendment and each Financing Agreement (as
amended or modified hereby) is the legal, valid and binding obligation of such
Borrower, enforceable against such Borrower in accordance with its terms, and is
in full force and effect.

            (c) Representations and Warranties. The representations and
warranties contained in each Financing Agreement (other than any such
representations or warranties that, by their terms, are specifically made as of
a date other than the date hereof) are correct on and as of the date hereof as
though made on and as of the date hereof, other than representations and
warranties relating to the Known Existing Default.

            (d) Due Execution. The execution, delivery and performance of this
Amendment are within the power of such Borrower, have been duly authorized by
all necessary corporate action, have received all necessary governmental
approval, if any, and do not contravene any law or any contractual restrictions
binding on such Borrower.

            (e) No Default. Except for the Known Existing Default, no event has
occurred and is continuing that constitutes an Event of Default.

                                       6
<PAGE>

      6. Choice of Law. The validity of this Amendment, its construction,
interpretation and enforcement, and the rights of the parties hereunder, shall
be determined under, governed by, and construed in accordance with the internal
laws of the State of California governing contracts only to be performed in that
State.

      7. Counterparts. This Amendment may be executed in any number of
counterparts and by different parties and separate counterparts, each of which
when so executed and delivered, shall be deemed an original, and all of which,
when taken together, shall constitute one and the same instrument. Delivery of
an executed counterpart of a signature page to this Amendment by telefacsimile
shall be effective as delivery of a manually executed counterpart of this
Amendment.

      8. Reference to and Effect on the Financing Agreements.

            (a) Upon and after the effectiveness of this Amendment, each
reference in the Loan Agreement to "this Agreement", "hereunder", "hereof" or
words of like import referring to the Loan Agreement, and each reference in the
other Financing Agreements to "the Loan Agreement", "thereof" or words of like
import referring to the Loan Agreement, shall mean and be a reference to the
Loan Agreement as modified and amended hereby.

            (b) Except as specifically amended above, the Loan Agreement and all
other Financing Agreements, are and shall continue to be in full force and
effect and are hereby in all respects ratified and confirmed and shall
constitute the legal, valid, binding and enforceable obligations of Borrowers to
Agent and Lenders.

            (c) The execution, delivery and effectiveness of this Amendment
shall not, except as expressly provided herein, operate as a waiver of any
right, power or remedy of Agent or any Lender under any of the Financing
Agreements, nor constitute a waiver of any provision of any of the Financing
Agreements.

            (d) To the extent that any terms and conditions in any of the
Financing Agreements shall contradict or be in conflict with any terms or
conditions of the Loan Agreement, after giving effect to this Amendment, such
terms and conditions are hereby deemed modified or amended accordingly to
reflect the terms and conditions of the Loan Agreement as modified or amended
hereby.

      9. Integration. This Amendment, together with the other Financing
Agreements, incorporates all negotiations of the parties hereto with respect to
the subject matter hereof and is the final expression and agreement of the
parties hereto with respect to the subject matter hereof.

      10. Severability. In case any provision in this Amendment shall be
invalid, illegal or unenforceable, such provision shall be severable from the
remainder of this Amendment and the validity, legality and enforceability of the
remaining provisions shall not in any way be affected or impaired thereby.

                                       7
<PAGE>

      IN WITNESS WHEREOF, the parties have entered into this Amendment as of the
date first above written.

                                       ROCKFORD CORPORATION

                                       By: /s/ James M. Thomson
                                          --------------------------------------
                                       Name: James M. Thomson
                                       Title: CFO

                                       AUDIO INNOVATIONS, INC.

                                       By: /s/ James M. Thomson
                                          --------------------------------------
                                       Name: James M. Thomson
                                       Title: CFO

                                       CONGRESS FINANCIAL CORPORATION (WESTERN),
                                       as Agent and as a Lender

                                       By: /s/ Jeffrey K. Scott
                                          --------------------------------------
                                       Name: Jeffrey K. Scott
                                       Title: V.P.

                                       8
<PAGE>

                          ACKNOWLEDGEMENT BY GUARANTORS

                            Dated as of June 10, 2004

      Each of the undersigned, being a guarantor (each a "Guarantor" and
collectively, the "Guarantors") under their Guaranty and Security Agreement
dated March 29, 2004, made in favor of Agent and Lenders (as amended, modified
or supplemented, the "Guaranty") hereby acknowledges and agrees to the foregoing
First Amendment to Loan and Security Agreement and Conditional Default Waiver
(the "Amendment") and confirms and agrees that the Guaranty is and shall
continue to be, in full force and effect and is hereby ratified and confirmed in
all respects except that, upon the effectiveness of, and on and after the date
of the Amendment, each reference in the Guaranty to the Loan Agreement (as
defined in the Amendment), "thereunder", "thereof" or words of like import
referring to the "Loan Agreement", shall mean and be a reference to the Loan
Agreement as amended or modified by the Amendment. Although Lender has informed
Guarantors of the matters set forth above, and Guarantors have acknowledged the
same, each Guarantor understands and agrees that Lender has no duty under the
Loan Agreement, the Guaranty or any other agreement with any Guarantor to so
notify any Guarantor or to seek such an acknowledgement, and nothing contained
herein is intended to or shall create such a duty as to any advances or
transaction hereafter.

                                       ROCKFORD SINGAPORE CORPORATION

                                       By: /s/ James M. Thomson
                                          --------------------------------------
                                       Name: James M. Thomson
                                       Title: CFO

                                       ROCKFORD SALES.COM, INC.

                                       By: /s/ James M. Thomson
                                          --------------------------------------
                                       Name: James M. Thomson
                                       Title: CFO

                                       MB QUART SHANGHAI, INC.

                                       By: /s/ James M. Thomson
                                          --------------------------------------
                                       Name: James M. Thomson
                                       Title: CFO

                                       9<PAGE>

                                                            EXHIBIT 10.62.2

                 SECOND AMENDMENT TO LOAN AND SECURITY AGREEMENT

      THIS SECOND AMENDMENT TO LOAN AND SECURITY AGREEMENT (this "Amendment"),
dated as of December 30, 2004, is entered into among CONGRESS FINANCIAL
CORPORATION (WESTERN), a California corporation ("Agent"), as administrative and
collateral agent for the lenders party to the Loan Agreement (as defined below)
from time to time ("Lenders"), CONGRESS FINANCIAL CORPORATION (WESTERN), a
California corporation, as a Lender ("Congress"), ROCKFORD CORPORATION, an
Arizona corporation ("Rockford"), and AUDIO INNOVATIONS, INC., an Oklahoma
corporation ("AII" and together with Rockford, collectively, "Borrowers").

                                    RECITALS

      A. Agent, Congress, Wachovia Bank, National Association, as arranger, and
Borrowers have previously entered into that certain Loan and Security Agreement
dated March 29,2004 as amended by the First Amendment to Loan and Security
Agreement and Conditional Default Waiver dated as of June 10,2004 (the "Loan
Agreement"), pursuant to which Congress has made certain loans and financial
accommodations available to Borrowers. Terms used herein without definition
shall have the meanings ascribed to them in the Loan Agreement.

      B. Borrowers have requested Agent and Congress to amend the Loan Agreement
in certain respects, and Agent, Congress and Borrowers are now willing to amend
the Loan Agreement on the terms and conditions set forth herein.

      C. Borrowers are entering into this Amendment with the understanding and
agreement that, except as specifically provided herein, none of Agent's or
Lenders' rights or remedies as set forth in the Loan Agreement is being waived
or modified by the terms of this Amendment.

                                    AGREEMENT

      NOW, THEREFORE, in consideration of the foregoing and the mutual covenants
herein contained, and for other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the parties hereby agree as
follows:

      1. Amendments to Loan Agreement.

            (a) The first sentence of the definition of "Borrowing Base" in
Section 1.6 of the Loan Agreement is hereby amended and restated to read in its
entirety as follows:

            "'Borrowing Base' shall mean, at any time, the amount equal to: (a)
      the sum of (i) eighty-five percent (85%) of Eligible Accounts (other than
      Eligible Accounts described in the immediately following clause (ii)),
      plus (ii) the lesser of Two Million Dollars ($2,000,000) or seventy
      percent (70%) of foreign Eligible Accounts subject to credit insurance as
      set forth in clause (e)(ii) of the within definition of 'Eligible
      Accounts', plus (b) the least of: (i) the sum of (A) during the months of
      December through May, inclusive, fifty-five percent (55%) of the Value of
      Eligible Inventory

<PAGE>

      consisting of finished goods, and at all other times, fifty percent (50%)
      of the Value of such Eligible Inventory, plus (B) thirty-five percent
      (35%) of the Value of Eligible Inventory consisting of raw materials for
      such finished goods or (ii) eighty-five percent (85%) of the Net Orderly
      Liquidation Value of Eligible Inventory, or (iii) Fifteen Million Dollars
      ($15,000,000), less (c) any Reserves."

            (b) The amount "Three Million Dollars ($3,000,000)" in clause (m) of
the definition of "Eligible Inventory" in Section 1.25 of the Loan Agreement
(regarding in transit inventory) is hereby replaced with "One Million Dollars
($1,000,000)".

            (c) The definition of "Eurodollar Rate Margin" in Section 1.34 of
the Loan Agreement is hereby amended and restated to read in its entirety as
follows:

            "1.34 'Eurodollar Rate Margin' shall mean (subject to the first
      sentence of Section 3.1(b) hereof) four and one-half percent (4.50%) per
      annum; provided, that, if the average daily Excess Availability is greater
      than Eleven Million Dollars ($11,000,000) (before giving effect to the
      permanent Reserve in the amount of Eight Million Dollars ($8,000,000) set
      forth in Section 1 of the First Amendment to Loan and Security Agreement
      and Conditional Default Waiver dated as of June 10,2004) during the sixty
      (60) day period ending on the last day of any fiscal quarter commencing
      with the fiscal quarter ending June 30,2005, then the Eurodollar Rate
      Margin shall be reduced to three and one-half percent (3.50%) per annum so
      long as no Default or Event of Default has occurred and is continuing and
      so long as the average daily Excess Availability is greater than Eleven
      Million Dollars ($11,000,000) (before giving effect to the foregoing
      permanent Reserve) during each sixty (60) day period ending on the last
      day of any subsequent fiscal quarter; and provided further, that, the
      Eurodollar Rate Margin shall be five percent (5.00%) per annum with
      respect to all Eurodollar Rate Loans outstanding on December 17,2004."

            (d) The definition of "Letter of Credit Rate" in Section 1.56 of the
Loan Agreement is hereby amended and restated to read in its entirety as
follows:

            "1.56 'Letter of Credit Rate' shall mean four and one-half percent
      (4.50%) per annum; provided, that, if the average daily Excess
      Availability is greater than Eleven Million Dollars ($11,000,000) (before
      giving effect to the permanent Reserve in the amount of Eight Million
      Dollars ($8,000,000) set forth in Section 1 of the First Amendment to Loan
      and Security Agreement and Conditional Default Waiver dated as of June
      10,2004) during the sixty (60) day period ending on the last day of any
      fiscal quarter commencing with the fiscal quarter ending June 30,2005,
      then the Letter of Credit Rate shall be reduced to three and one-half
      percent (3.50%) per annum so long as no Default or Event of Default has
      occurred and is continuing and so long as the average daily Excess
      Availability is greater than Eleven Million Dollars ($11,000,000) (before
      giving effect to the foregoing permanent Reserve) during each sixty (60)
      day period ending on the last day of any subsequent fiscal quarter."

            (e) The definition of "Prime Rate Margin" in Section 1.76 of the
Loan Agreement is hereby amended and restated to read in its entirety as
follows:

                                        2
<PAGE>

            "7.76 'Prime Rate Margin' shall mean two percent (2.00%) per annum;
      provided, that, if the average daily Excess Availability is greater than
      Eleven Million Dollars ($11,000,000) (before giving effect to the
      permanent Reserve in the amount of Eight Million Dollars ($8,000,000) set
      forth in Section 1 of the First Amendment to Loan and Security Agreement
      and Conditional Default Waiver dated as of June 10,2004) during the sixty
      (60) day period ending on the last day of any fiscal quarter commencing
      with the fiscal quarter ending June 30,2005, then the Prime Rate Margin
      shall be reduced to one percent (1.00%) per annum so long as no Default or
      Event of Default has occurred and is continuing and so long as the average
      daily Excess Availability is greater than Eleven Million Dollars
      ($11,000,000) (before giving effect to the foregoing permanent Reserve)
      during each sixty (60) day period ending on the last day of any subsequent
      fiscal quarter."

            (f) The first sentence of Section 3.1 (b) of the Loan Agreement is
hereby amended and restated to read in its entirety as follows:

            "Borrowers may from time to time request Eurodollar Rate Loans or
      may request that Prime Rate Loans be converted to Eurodollar Rate Loans or
      that any existing Eurodollar Rate Loans continue for an additional
      Interest Period; provided, however, that, any such request may only be
      made if (i) the average daily Excess Availability is greater than Eleven
      Million Dollars ($11,000,000) (before giving effect to the permanent
      Reserve in the amount of Eight Million Dollars ($8,000,000) set forth in
      Section 1 of the First Amendment to Loan and Security Agreement and
      Conditional Default Waiver dated as of June 10,2004) during the sixty (60)
      day period ending on the last day of any fiscal quarter commencing with
      the fiscal quarter ending June 30,2005, (ii) no Default or Event of
      Default has occurred and is continuing, and (iii) the average daily Excess
      Availability is greater than Eleven Million Dollars ($11,000,000) (before
      giving effect to the foregoing permanent Reserve) during each sixty (60)
      day period ending on the last day of any subsequent fiscal quarter."

            (g) Section 9.17 of the Loan Agreement is hereby amended and
restated to read in its entirety as follows:

            "9.17 Fixed Charge Coverage Ratio. On or before August 1,2005,
      Borrowers shall provide Agent with their financial projections for the
      fiscal year ending December 31,2006 which shall be in form and substance
      reasonably satisfactory to Agent. Agent will then reasonably establish a
      Fixed Charge Covenant Ratio covenant for Borrowers, and Borrowers shall,
      upon Agent's request, duly execute and deliver an amendment to this
      Agreement in form and substance reasonably satisfactory to Agent to set
      forth such covenant."

            (h) Section 9.17.1 of the Loan Agreement is hereby amended and
restated to read in its entirety as follows:

            "9.17.1 EBITDA. Borrowers and their Subsidiaries, on a consolidated
      basis, shall earn EBITDA, calculated as of the last day of each month set
      forth below on the basis of the trailing twelve (12) months or, if less,
      the number of months that have

                                        3
<PAGE>

      elapsed from and including November 2004, of not less then the amount set
      forth opposite such month:

<TABLE>
<CAPTION>
       Month                Amount
---------------------    ------------
<S>                      <C>
November 2004            ($   739,000)
December 2004            ($ 2,500,000)
January 2005             ($ 3,000,000)
February 2005            ($ 2,900,000)
March 2005               ($ 2,300,000)
April 2005               ($ 1,300,000)
May 2005                 ($   172,000)
June 2005                 $ 1,000,000
July 2005                 $ 1,400,000
August 2005               $ 1,700,000
September 2005            $ 2,500,000
October 2005              $ 2,600,000
November 2005             $ 3,600,000
Each month thereafter     $ 4,400,000
</TABLE>

            For the purposes hereof, 'EBITDA' shall mean the net income of
      Borrowers and their Subsidiaries determined on a consolidated basis in
      accordance with GAAP consistently applied, but excluding any extraordinary
      or one-time gains, plus (a) depreciation, amortization and other non-cash
      charges (to the extent deducted in the computation of such net income),
      plus (b) Interest Expense (to the extent deducted in the computation of
      such net income), plus (c) charges for federal, state, local and foreign
      income taxes (to the extent deducted in the computation of such income)."

      2. Known Defaults. The following Events of Default previously occurred
under the Loan Agreement: (i) Borrowers and their Subsidiaries failed to earn a
minimum EBITDA during the four (4) month period ended September 30, 2004 and the
five (5) month period ended October 31, 2004 as required in Section 9.17.1 of
the Loan Agreement, as that Section was added by Section 3(g) of the First
Amendment to Loan and Security Agreement and Conditional Default Waiver dated as
of June 10, 2004; and (ii) certain Events of Default arose under Sections
9.7(b), (c) or (d) of the Loan Agreement by virtue of the commencement and
continuation of the pending receivership proceedings of MB Quart GmbH
(collectively, the "Known Defaults"). Agent and Congress hereby waive all of
their rights and remedies arising on account of the Known Defaults, including
without limitation their rights to increase the Interest Rate by two percent
(2%) per annum pursuant to the proviso in the definition of "Interest Rate" in
Section 1.52 of the Loan Agreement, and the rate charged for the letter of
credit fee by two percent (2%) per annum pursuant to Section 2.2(b) of the Loan
Agreement. This waiver shall be effective

                                        4
<PAGE>

only for the Known Defaults specified above and only for the four (4) month
period ended September 30, 2004 and the five (5) month period ended October 31,
2004 (with respect to the violation of Section 9.17.1) and the commencement and
continuation of the pending receivership proceedings of MB Quart GmbH (with
respect to the violation of Sections 9.7(b), (c) and (d)); and in no event shall
this waiver be deemed to be a waiver of (a) enforcement of any rights or
remedies with respect to any Other Event(s) of Default now existing or hereafter
arising or (b) Borrowers' compliance with (i) the covenants referenced above in
any other respect, or (ii) any other covenants or provisions of the Financing
Agreements.

      3. Turnaround Consultant. Upon the occurrence of a further Event of
Default under the Loan Agreement (other than the Known Defaults), Borrowers
shall promptly engage a turnaround consultant reasonably acceptable to Agent
whose scope of services to Borrowers shall also be reasonably acceptable to
Agent.

      4. Effectiveness of this Amendment. Agent must have received the following
items, in form and content acceptable to Agent, before this Amendment and the
waivers provided herein are effective.

            (a) Amendment; Acknowledgement. This Amendment and the attached
Acknowledgement by Guarantors, each fully executed in a sufficient number of
counterparts for distribution to all parties.

            (b) Amendment Fee. An amendment fee in the amount of One Hundred
Thousand Dollars ($100,000), which fee is fully earned as of the date hereof and
shall be payable in two (2) installments of Fifty Thousand Dollars ($50,000)
each, one due on the date hereof and the other due thirty (30) days from the
date hereof.

            (c) Representations and Warranties. The representations and
warranties set forth herein and in the Loan Agreement must be true and correct.

            (d) Other Required Documentation. All other documents and legal
matters in connection with the transactions contemplated by this Amendment shall
have been delivered or executed or recorded and shall be in form and substance
satisfactory to Agent.

      5. Representations and Warranties. Each Borrower represents and warrants
as follows:

            (a) Authority. Such Borrower has the requisite corporate power and
authority to execute and deliver this Amendment, and to perform its obligations
hereunder and under the Financing Agreements (as amended or modified hereby) to
which it is a party. The execution, delivery and performance by such Borrower of
this Amendment have been duly approved by all necessary corporate action and no
other corporate proceedings are necessary to consummate such transactions.

            (b) Enforceability. This Amendment has been duly executed and
delivered by such Borrower. This Amendment and each Financing Agreement (as
amended or modified hereby) is the legal, valid and binding obligation of such
Borrower, enforceable against such Borrower in accordance with its terms, and is
in full force and effect.

                                       5
<PAGE>

            (c) Representations and Warranties. The representations and
warranties contained in each Financing Agreement (other than any such
representations or warranties that, by their terms, are specifically made as of
a date other than the date hereof) are correct on and as of the date hereof as
though made on and as of the date hereof.

            (d) Due Execution. The execution, delivery and performance of this
Amendment are within the power of such Borrower, have been duly authorized by
all necessary corporate action, have received all necessary governmental
approval, if any, and do not contravene any law or any contractual restrictions
binding on such Borrower.

            (e) No Default. Except for the Known Defaults, no event has occurred
and is continuing that constitutes an Event of Default.

      6. Choice of Law. The validity of this Amendment, its construction,
interpretation and enforcement, and the rights of the parties hereunder, shall
be determined under, governed by, and construed in accordance with the internal
laws of the State of California governing contracts only to be performed in that
State.

      7. Counterparts. This Amendment may be executed in any number of
counterparts and by different parties and separate counterparts, each of which
when so executed and delivered, shall be deemed an original, and all of which,
when taken together, shall constitute one and the same instrument. Delivery of
an executed counterpart of a signature page to this Amendment by telefacsimile
shall be effective as delivery of a manually executed counterpart of this
Amendment.

      8. Reference to and Effect on the Financing Agreements.

            (a) Upon and after the effectiveness of this Amendment, each
reference in the Loan Agreement to "this Agreement", "hereunder", "hereof or
words of like import referring to the Loan Agreement, and each reference in the
other Financing Agreements to "the Loan Agreement", "thereof" or words of like
import referring to the Loan Agreement, shall mean and be a reference to the
Loan Agreement as modified and amended hereby.

            (b) Except as specifically amended above, the Loan Agreement and all
other Financing Agreements, are and shall continue to be in full force and
effect and are hereby in all respects ratified and confirmed and shall
constitute the legal, valid, binding and enforceable obligations of Borrowers to
Agent and Lenders.

            (c) The execution, delivery and effectiveness of this Amendment
shall not, except as expressly provided herein, operate as a waiver of any
right, power or remedy of Agent or any Lender under any of the Financing
Agreements, nor constitute a waiver of any provision of any of the Financing
Agreements.

            (d) To the extent that any terms and conditions in any of the
Financing Agreements shall contradict or be in conflict with any terms or
conditions of the Loan Agreement, after giving effect to this Amendment, such
terms and conditions are hereby deemed modified or amended accordingly to
reflect the terms and conditions of the Loan Agreement as modified or amended
hereby.

                                        6
<PAGE>

      9. Integration. This Amendment, together with the other Financing
Agreements, incorporates all negotiations of the parties hereto with respect to
the subject matter hereof and is the final expression and agreement of the
parties hereto with respect to the subject matter hereof.

      10. Severability. In case any provision in this Amendment shall be
invalid, illegal or unenforceable, such provision shall be severable from the
remainder of this Amendment and the validity, legality and enforceability of the
remaining provisions shall not in any way be affected or impaired thereby.

                                        7
<PAGE>

      IN WITNESS WHEREOF, the parties have entered into this Amendment as of the
date first above written.

                                              ROCKFORD CORPORATION

                                              By: /s/ W. Gary Suttle
                                                  --------------------------
                                              Name: W. GARY SUTTLE
                                              Title: PRESIDENT & CEO

                                              AUDIO INNOVATIONS, INC.

                                              By: /s/ W.Gary Suttle
                                                  --------------------------
                                              Name: W. GARY SUTTLE
                                              Title: PRESIDENT & CEO

                                              CONGRESS FINANCIAL CORPORATION
                                              (WESTERN), as Agent and as a
                                              Lender

                                              By: /s/ Jeffrey Scott
                                                  --------------------------
                                              Name: JEFFREY SCOTT
                                              Title: V. P.

                                        8
<PAGE>

                          ACKNOWLEDGEMENT BY GUARANTORS

                         Dated as of December 30, 2004

      Each of the undersigned, being a guarantor (each a "Guarantor" and
collectively, the "Guarantors") under their Guaranty and Security Agreement
dated March 29, 2004, made in favor of Agent and Lenders (as amended, modified
or supplemented, the "Guaranty") hereby acknowledges and agrees to the foregoing
Second Amendment to Loan and Security Agreement (the "Amendment") and confirms
and agrees that the Guaranty is and shall continue to be, in full force and
effect and is hereby ratified and confirmed in all respects except that, upon
the effectiveness of, and on and after the date of the Amendment, each reference
in the Guaranty to the Loan Agreement (as defined in the Amendment),
"thereunder", "thereof" or words of like import referring to the "Loan
Agreement", shall mean and be a reference to the Loan Agreement as amended or
modified by the Amendment. Although Lender has informed Guarantors of the
matters set forth above, and Guarantors have acknowledged the same, each
Guarantor understands and agrees that Lender has no duty under the Loan
Agreement, the Guaranty or any other agreement with any Guarantor to so notify
any Guarantor or to seek such an acknowledgement, and nothing contained herein
is intended to or shall create such a duty as to any advances or transaction
hereafter.

                                              ROCKFORD SINGAPORE CORPORATION

                                              By: /s/ W. Gary Suttle
                                                  --------------------------
                                              Name: W. GARY SUTTLE
                                              Title: PRESIDENT & CEO

                                              ROCKFORD SALES.COM, INC.

                                              By: /s/ W. Gary Suttle
                                                  --------------------------
                                              Name: W. GARY SUTTLE
                                              Title: PRESIDENT & CEO

                                              MB QUART SHANGHAI, INC.

                                              By: /s/ W. Gary Suttle
                                                  --------------------------
                                              Name: W. GARY SUTTLE
                                              Title: PRESIDENT & CEO

                                        9

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