After almost 4 years (likely 5000+ hours) of use, it was about time I replaced the ear pads on my HD 6XX : r/headphones
YAXI Ear Pads for Sennheiser HD6XX – Class in Comfort | The Headphone List
Amazon.com: Premium Replacement HD 650 / HD 600 Ear Pads Cushions Compatible with Sennheiser HD 650 HD 660S HD 600 Massdrop X HD 6XX HD58X Jubilee HD580 and HD565 Jubilee (HD6XX ETC Velour) : Electronics
WTS] [US-PR] [H] Massdrop x Sennheiser HD 6XX with Hart Audio Cable [W] PayPal : r/AVexchange
Massdrop x Sennheiser HD 6XX Headphones w/ Upgraded Earpads. | eBay
Sennheiser HD 6XX Open-Back Reference Class Headphones 2023 | Reverb
HD 6XX & Fenestrated Sheepskin Pads mini-review. : r/headphones
Amazon.com: Premium Replacement HD 650 / HD 600 Ear Pads Cushions Compatible with Sennheiser HD 650 HD 660S HD 600 Massdrop X HD 6XX HD58X Jubilee HD580 and HD565 Jubilee (HD6XX ETC Velour) : Electronics
Massdrop Sennheiser HD-6XX Headphones, Audio, Headphones & Headsets on Carousell