Amazon.com: Geekria Comfort Velour Replacement Ear Pads for Sennheiser HD525, HD535, HD545, HD565, HD580, HD600, HD650, HD660 S, HD 660S2 Headphones Earpads, Headset Ear Cushion Repair Parts (Black) : Electronics
HD600/650 Black PU, Black) - High quality replacement ear pads for Sennheiser HD545 HD565 HD580 HD600 and HD650 headphones (Black Protein Leather) : Amazon.com.au: Electronics
Ear Pads + Headband Set For Sennheiser HD545 HD580 HD565 HD600 HD650 Headphones | eBay