# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000056701-21-000024
Filing Date
2021-08-20
Accepted
2021-08-19 18:06:02
Documents
77
Period of Report
2021-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | koss-20210630x10k.htm iXBRL | 10-K | 2330154
2 | EX-23.1 | koss-20210630xex23_1.htm | EX-23.1 | 3757
3 | EX-31.1 | koss-20210630xex31_1.htm | EX-31.1 | 12993
4 | EX-31.2 | koss-20210630xex31_2.htm | EX-31.2 | 13470
5 | EX-32.1 | koss-20210630xex32_1.htm | EX-32.1 | 6707
6 | EX-32.2 | koss-20210630xex32_2.htm | EX-32.2 | 7612
| Complete submission text file | 0000056701-21-000024.txt |  | 8924563

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | EX-101.SCH | koss-20210630.xsd | EX-101.SCH | 42449
8 | EX-101.CAL | koss-20210630_cal.xml | EX-101.CAL | 66750
9 | EX-101.DEF | koss-20210630_def.xml | EX-101.DEF | 102449
10 | EX-101.LAB | koss-20210630_lab.xml | EX-101.LAB | 470416
11 | EX-101.PRE | koss-20210630_pre.xml | EX-101.PRE | 323530
12 | EXTRACTED XBRL INSTANCE DOCUMENT | koss-20210630x10k_htm.xml | XML | 1911112

Mailing Address 4129 N PORT WASHINGTON AVE MILWAUKEE WI 53212
Business Address 4129 N PORT WASHINGTON AVE MILWAUKEE WI 53212 4149645000
KOSS CORP (Filer) CIK: 0000056701 (see all company filings)

EIN.: 391168275 | State of Incorp.: DE | Fiscal Year End: 0630
Type: 10-K | Act: 34 | File No.: 000-03295 | Film No.: 211191212
SIC: 3651 Household Audio & Video Equipment