Rupert Neve Designs Headphone Amplifier and Sennheiser HD650 Headphones | Sweetwater
🎧 Sennheiser HD650 Ear Pads compatible with Sennheiser HD650 HD660S and MassDrop HD6XX - AHG
Dekoni Elite Fenestrated Sheepskin replacement earpads for the Sennheiser HD6XX Series
Amazon.com: Premium Protein Leather Ear Pads Compatible with Sennheiser HD545 HD565 HD580 HD600, HD650, HD660S and Massdrop HD6XX Headphones. Premium Protein Leather | High-Density Foam | Easy Installation : Electronics
Amazon.com: Geekria Mesh Fabric Headband Pad Compatible with Sennheiser HD650, HD660 S, HD6XX Headphone Replacement Headband/Headband Cushion/Replacement Pad Repair Parts (Black). : Electronics
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...]