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Customer Service
Special Services
About Us
For service of all models covered under the Lifetime Warranty policy, send the stereophone along with $6.00 each shipping and handling to the address below. For all repairs of non-warranty product, please contact Koss USA for payment details.
In the United States:Koss Corporation4129 N. Port Washington Ave.Milwaukee, WI 532121-800-USA-KOSS (1-800-872-5677)email: customersupport@koss.com