Koss Sterophones
4129 N Port Washington Rd
Phone: ☎ +1 414 964-5000
About
Koss Sterophones, 4129 N Port Washington Rd, ☎ +1 414 964-5000. Although they aren't actually made in Milwaukee anymore, Koss is still headquartered here. They have an odd little outlet store and customer service center (bring in your broken Koss headphones for a free replacement, they're all under lifetime warranty).
