Genuine Replacement Ear Pads Cushions for SENNHEISER HD650, HD600, HD5 – DirectNine - Australia
Sennheiser Velour Earpads for HD Headphones : Amazon.com.au: Electronics
YAXI HD650 Headphone Earpads – Groove Central
Gvoears Replacement Earpads for Sennheiser HD650/HD600/HD660S/HD545/HD525/HD535 Headphones, Ear Pads Cushions Also Compatiable with Massdrop X HD6XX/HD58X and HD580/HD565 Jubilee Headphones(Velour) : Amazon.com.au: 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
YAXI Ear Pads for Sennheiser HD6XX – Class in Comfort | The Headphone List
Sennheiser HD600/HD650 Replacement Earpads (Pair) | Headphone Spare Parts - Store DJ
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
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) : Amazon.com.au: Electronics
Sennheiser Replacement Headband Padding for HD650 – Addicted To Audio
How to replace Earpads on Sennheiser HD600, HD650 & HD660S Headphones - YouTube
Archimago's Musings: MEASUREMENTS: Sennheiser HD650 (~2010-2012) and HD800 (~2010). A comparison of two "Reference Class" headphones, and a look/listen to the "Sennheiser veil / darkness". [Inexpensive 2TB SSD and inflation in consumer electronics...]