EXHIBIT 10.31

                               ADDITIONAL ADVANCE
                                    AGREEMENT

     THIS ADDITIONAL  ADVANCE AGREEMENT (this "Agreement") is entered into as of
August  18,  2003  between  AURA  SYSTEMS,  INC.,  a Delaware  corporation  (the
"Company"),  and KOYAH LEVERAGE PARTNERS, L.P. and KOYAH PARTNERS,  L.P., each a
Delaware limited partnership (collectively the "Lenders").

     WHEREAS,  in  connection  with  loans to the  Company by the  Lenders,  the
Company and the Lenders entered into an Agreement dated as of July 24, 2003 (the
"Agreement"),  the Company  executed in favor of the  Lenders  four  Convertible
Promissory  Notes  dated July 24,  2003  (collectively,  the  "Notes"),  and the
Company  executed  in favor of  Koyah  Leverage  (as  collateral  agent  for the
Lenders)  a  Security  Agreement  dated  as of  July  24,  2003  (the  "Security
Agreement");

     WHEREAS,  the Company and the Lenders also  entered  into an Amendment  and
Waiver Agreement dated as of August 6, 2003 (the "Amendment");

     WHEREAS,  the Lenders have made certain additional optional advances to the
Company  under  (i) the  Note in the  favor  of Koyah  Leverage  in the  maximum
principal  amount of $800,000 and (ii) the Note in favor of Koyah in the maximum
principal amount of $200,000 (collectively, the "Optional Advance Notes");

     WHEREAS,  the Company owns 177,777 shares (the "Telemac  Shares") of common
stock of Telemac  Corporation,  a Delaware  corporation  ("Telemac"),  which are
currently  encumbered by a security  interest granted to Judgment  Acquisitions,
Inc. ("Judgment  Acquisitions") to secure a loan made to the Company by Judgment
Acquisitions (the "Judgment Acquisitions Loan");

     WHEREAS, the Company is in default under the Judgment Acquisitions Loan;

     WHEREAS, the Company has requested that the Lenders make further additional
optional  advances  under the  Optional  Advance  Notes to pay off the  Judgment
Acquisitions Loan (the "Further Advances");

     WHEREAS, in connection therewith, the Lenders are requiring, as a condition
to making the Further Advances, that the Lenders receive a first-priority pledge
of and security interest in the Telemac Shares; and

     WHEREAS,  the parties are entering  into this  Agreement to provide for the
Further  Advances and related  matters,  on the terms and  conditions  set forth
herein.

     NOW, THEREFORE, for valuable consideration,  the receipt of which is hereby
acknowledged, the parties do hereby agree as follows:

1. Further Advances.
   ----------------
The Company  hereby  requests  that the Lenders  make  advances in an  aggregate
amount of $_____________ (the "Further Advances") as further additional optional
advances  under the  Optional  Advance  Notes.  The Company  hereby  directs the
Lenders  to  disburse  the  Further  Advances  in the form of direct  payment to
Judgment  Acquisitions  in order to pay off the  Judgment  Acquisitions  Loan in
full.

2. Escrow Arrangements with Judgment Acquisitions.
   ----------------------------------------------
Prior  to  such  disbursement  of the  Further  Advances  directly  to  Judgment
Acquisitions,  Judgment  Acquisitions shall enter into escrow  arrangements with
the  Lenders  satisfactory  to them,  with  Smith,  Gambrell &  Russell,  LLP in
Atlanta,  Georgia  acting as escrow  agent (the  "Escrow  Agent").  Such  escrow
arrangements  shall  provide,  among other things,  for the Escrow  Agent,  upon
receipt of confirmation of wire  transfer(s) of the Further Advances to Judgment
Acquisitions,   to  deliver  to  the   Lenders  (or  their   designee)   (i)  an
acknowledgment  from  Judgment  Acquisitions  of  satisfaction  in  full  of the
Judgment  Acquisitions Loan and termination and release of any security interest
in  favor  of  Judgment  Acquisitions  in the  Telemac  Shares  and  (ii)  stock
certificate No. C2233 evidencing the Telemac Shares.

3. Pledge of Telemac Shares.
   ------------------------
In addition to the security interest in the Telemac Shares already arising under
the Security  Agreement,  the Company  shall  execute and deliver a Stock Pledge
Agreement  satisfactory to the Lenders in favor of Koyah Leverage (as collateral
agent for the  Lenders) to further  evidence  and  effectuate  a  first-priority
pledge of and  security  interest  in the  Telemac  Shares  (the  "Stock  Pledge
Agreement").

4. Additional   Representation  and  Reaffirmation  of  Prior  Representations;
   ----------------------------------------------------------------------------
   Survival.
   ---------
In addition to making the additional representations and warranties contained in
the Stock Pledge  Agreement,  the Company hereby  re-affirms and re-makes all of
the representations and warranties contained in the Agreement, the Notes and the
Security  Agreement  as of the date hereof (as  modified by the  amendments  and
waivers set forth in the  Amendment).  For purposes of this Agreement as well as
reaffirming the representations and warranties  contained in the Agreement,  the
term  "Transaction  Documents"  as  used  herein  and  therein  shall  mean  the
Agreement,  the Notes, the Security Agreement,  the Amendment,  the Stock Pledge
Agreement  and  this   Agreement.   All  of  such   additional  and  re-affirmed
representations  and  warranties  shall survive the closing of the  transactions
contemplated by this Agreement and the other Transaction Documents.

5.  Amendments  and Waivers.
   ------------------------
Any term of this Agreement may be amended and the observance of any term of this
Agreement may be waived (either generally or in a particular instance and either
retroactively  or  prospectively),  only with the written consent of the Company
and the Lenders in the case of an amendment and only with the written consent of
the waiving party in the case of a waiver.

6.  Entire  Agreement.
   ------------------
This Agreement,  together with the other Transaction  Documents,  constitute the
entire  agreement  of the  parties  concerning  the  subject  matter  hereof and
thereof,  all prior  discussions,  proposals,  negotiations  and  understandings
having been merged herein and therein.  Except as specifically  modified by this
Agreement,  the other  Transaction  Documents shall remain unchanged and in full
force and effect.

7. Successors.
   ----------
This Agreement  shall inure to the benefit of and be binding upon the successors
and assigns of the Company and the Lenders.  Nothing in this Agreement,  express
or implied,  is intended to confer upon any party other than the parties  hereto
or their  respective  permitted  successors  and assigns  any rights,  remedies,
obligations or liabilities  under or by reason of this Agreement,  except as may
be expressly provided in this Agreement.

8.  Severability.
    ------------
If any part of this Agreement is determined to be illegal or unenforceable,  all
other parts shall remain in full force and effect.

9. Attorneys' Fees.
   ---------------
The Company shall pay the reasonable attorneys' fees, costs and disbursements of
the Lenders in enforcing any terms of this Agreement,  whether or not any action
at law or in equity is brought.

10. Governing Law.
   --------------
The Agreement  shall be governed by and construed and  interpreted in accordance
with the law of the State of Washington, without regard to that state's conflict
of laws principles. All disputes between the parties hereto, whether sounding in
contract, tort, equity or otherwise, shall be resolved only by state and federal
courts  located  in  Spokane,  Washington,  and the  courts  to which an  appeal
therefrom may be taken.  All parties hereto waive any objections to the location
of the above referenced courts, including but not limited to any objection based
on lack of jurisdiction, improper venue or forum non-conveniens. Notwithstanding
the  foregoing,  any party  obtaining  any order or judgment in any of the above
referenced  courts  may bring an action in a court in  another  jurisdiction  in
order to enforce such order or judgment.

11. Miscellaneous.
   --------------
Any notice under this Agreement shall be given in writing and shall be addressed
to the party to be  notified at the address  indicated  below,  or at such other
address as such party may designate by written notice to the other party.

                        Aura Systems, Inc.
                        2335 Alaska Avenue
                        El Segundo, CA  90245
                        Attn:   Neal Meehan
                        Fax:    310-643-8719

                        Koyah Leverage Partners, L.P.
                        c/o ICM Asset Management, Inc.
                        601 West Main Avenue, Suite 600
                        Spokane WA 99201
                        Attn: Robert Law
                        Fax:  509-444-4500

                        Koyah Partners, L.P.
                        c/o ICM Asset Management, Inc.
                        601 West Main Avenue, Suite 600
                        Spokane WA 99201
                        Attn: Robert Law
                        Fax:  509-444-4500

12. The Company shall pay the costs and expenses of legal counsel to the Lenders
in connection  with the  negotiation,  execution and delivery of this  Agreement
(including  those in connection  with prior  discussions  among the parties of a
possible  purchase of the Telemac  Shares  before a change in  structure  to the
Further  Advances  instead),  the  other  Transaction  Documents,  and any other
related  agreements  with  the  Lenders  as  well  as  the  consummation  of the
transactions  contemplated by and the  administration of such agreements and any
amendments or waivers of such  agreements.  The Company shall pay such costs and
expenses immediately upon submittal, and the Lenders may apply any retainer held
by them or their legal counsel  against such costs and expenses.  Alternatively,
the Lenders may deduct some or all of such costs and expenses  from the proceeds
of the loans from the Lenders when  disbursing  such loans and/or pay such costs
and  expenses  directly and then the amounts so paid shall  constitute  advances
made under the  Optional  Advance  Notes.  Notwithstanding  that the  Company is
paying such costs and expenses,  the Company  acknowledges  and agrees that such
legal counsel is representing only the Lenders, and not the Company.





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                [SIGNATURE PAGE TO ADDITIONAL ADVANCE AGREEMENT]

ORAL AGREEMENTS OR ORAL COMMITMENTS TO LOAN MONEY,  EXTEND CREDIT, OR TO FORBEAR
FROM ENFORCING REPAYMENT OF A DEBT ARE NOT ENFORCEABLE UNDER WASHINGTON LAW.


     IN WITNESS  WHEREOF,  the parties  have caused  this  Agreement  to be duly
executed and delivered as of the date first set forth above.


                  AURA SYSTEMS, INC.

           By:  /s/ Neal F. Meehan
         Name:  Neal F. Meehan
        Title:  Chairman & Chief Executive Officer

                KOYAH LEVERAGE PARTNERS, L.P.

           By:  Koyah Ventures LLC, its general partner

           By:  /s/ Robert J. Law
         Name:  Robert J. Law
        Title:  Vice President


                KOYAH PARTNERS, L.P.

           By:  Koyah Ventures LLC, its general partner

           By:  /s/ Robert J. Law
         Name:  Robert J. Law
        Title:  Vice President