Koss customer care and Toll Free Number:
Koss Warranty Information
Koss offers the following warranties – please review the warranty documents included with your Koss product to determine the type of warranty your Koss product has.
Please contact Koss with questions:
Phone: 1-800-USA-KOSS (1-800-872-5677)
Email: [email protected]
Outside USA and Canada Email: [email protected]