2 PZ Cuscinetto di ricambio in spugna per auricolari auricolari per Koss Porta Pro PP

Suitable for KOSS Porta Pro PP Headphone. for KOSS Porta Pro PP Headphone. for KOSS KSC35, KSC75, KSC55, KSC50, KSC-10, KTX PRO1, KTX8, PTX6, KSC-11 KSC17, KSC7, KSC-12, CX6, KTX16, SA and UR5. Can enhance the bass performance of your headphone.

eBay