KOSS CORP
Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
Company positioning and business
Koss Corporation is a company in Milwaukee, Wisconsin, US that manufactures headphones. The company created the first high-fidelity stereo headphones in 1958. [3]
Background text: Wikipedia contributors, Koss Corporation. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Financial year, securities and disclosures
Listed securities: KOSS (Nasdaq). Multiple symbols may represent different share classes or securities of the same registrant. [2]
History and key events
Founding / inception date recorded in Wikidata. [1]
Financial results and regulatory disclosures
No individual financial documents have been indexed yet. Open the source to consult company disclosures. [2]
Related entities and concepts
Frequently asked questions
When was KOSS CORP founded?
Founded: 1953. The linked source provides the background record. [1]
Where is the headquarters of KOSS CORP?
Headquarters location: Milwaukee. The linked source provides the background record. [1]
Which business sectors are recorded for KOSS CORP?
Business sectors: electronics. The linked source provides the background record. [1]
Sources and review dates
- Wikidata — company background record (CC0) ↗
- Company identity and profile data ↗
- Wikipedia contributors — Koss Corporation (CC BY-SA 4.0) ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.