**Exhibit31.1**

**KOSSCORPORATION**

**CERTIFICATION***

I, Michael J. Koss,certify that:

1.                                       Ihave reviewed this quarterly report on Form 10-Q of Koss Corporation;

2.                                     Basedon my knowledge, this quarterly report does not contain any untrue statement ofa material fact or omit to state a material fact necessary to make thestatements made, in light of the circumstances under which such statements weremade, not misleading with respect to the period covered by this quarterlyreport;

3.                                     Basedon my knowledge, the financial statements, and other financial informationincluded in this quarterly report, fairly present in all material respects thefinancial condition, results of operations and cash flows of the registrant asof, and for, the periods presented in this quarterly report;

4.                                     Theregistrant’s other certifying officers and I are responsible for establishingand maintaining disclosure controls and procedures (as defined in Exchange ActRules 13a-15(e) and 15d-15(e)) for the registrant and we have:

a)              Designedsuch disclosure controls and procedures, or caused such disclosure controls andprocedures to be designed under our supervision, to ensure that materialinformation relating to the registrant, including its consolidatedsubsidiaries, is made known to us by others within those entities, particularlyduring the period in which this quarterly report is being prepared;

b)             Evaluatedthe effectiveness of the registrant’s disclosure controls and procedures andpresented in this quarterly report our conclusions about the effectiveness ofthe disclosure controls and procedures, as of the end of the period covered bythis report based on such evaluation;

c)              Disclosedin this report any change in the registrant’s internal control over financialreporting that occurred during the registrant’s most recent fiscal quarter (theregistrant’s fourth fiscal quarter in the case of an annual report) that hasmaterially affected, or is reasonably likely to materially affect, theregistrant’s internal control over financial reporting; and

5.                                     Theregistrant’s other certifying officers and I have disclosed, based on our mostrecent evaluation of internal control over financial reporting to theregistrant’s auditors and the audit committee of registrant’s board ofdirectors (or persons performing the equivalent functions):

a)              Allsignificant deficiencies and material weaknesses in the design or operation ofinternal control over financial reporting which are reasonably likely toadversely affect the registrant’s ability to record, process, summarize andreport financial information; and

b)             Any fraud, whether ornot material, that involves management or other employees who have asignificant role in the registrant’s internal control over financial reporting.
| Date:                                  | May 11, 2007 |   |
|----------------------------------------|--------------|--------|
|                                   |
|                                   |
| /s/ Michael J. Koss                    |         |
| Michael J. Koss                        |
| Chief Executive Officer, President and |
| Chief Financial Officer                |
|                                        |              |        |  |

 

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*                           SinceMichael J. Koss is both the principal executive officer and the principalfinancial officer of the registrant, only one certification is provided.

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