Koss (NASDAQ:KOSS) is an American manufacturer of high-fidelity audio equipment, best known for pioneering the first stereo headphone for personal music listening. Headquartered in Milwaukee, Wisconsin, the company designs, markets and sells a range of headphones and earphones for consumer, professional and industrial applications.
The company’s product lineup includes over-ear and on-ear stereo headphones, in-ear monitors, wireless Bluetooth models and noise-cancelling designs. In addition to personal audio devices, Koss offers reference and studio monitoring headphones for broadcast, recording and DJ use. Through its Koss Hearing Technologies division, the company also develops and distributes specialized hearing health and amplification products for industrial safety and personal use.
Founded in 1953 by audio innovator John C. Koss, the company played a key role in bringing high-quality portable listening devices to the consumer market. Over its history, Koss has introduced several industry firsts in headphone design and has earned a reputation among audiophiles for durable, clear-sound performance. The company’s products are sold through retail partners, online platforms and direct distribution channels across North America, Europe and parts of Asia.
Guided by a management team with deep roots in audio engineering and consumer electronics, Koss continues to focus on research and development aimed at improving acoustic fidelity, comfort and durability. The company’s operations encompass product conception, in-house engineering and testing, global sourcing, and end-user support, reflecting its long-standing commitment to quality in personal audio solutions.
