Extension cable with remote control for Sennheiser HD-429 AMPERIOR ArtAudioParts.com
Geekria Shield Headphones Case Compatible with Sennheiser HD 599, HD 598, HD 560S, HD 559, HD 558, HD 555, HD 400 Pro Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (PU Brown) : Electronics - Amazon.com
Amazon.com: Replacement Audio Cable line 1.5m for Sennheiser Momentum 2 1.0 2.0 3.0 HD 4.40 BT HD4.50 HD4.30i hd 400s 3.5 to 2.5mm Headphones Cable Wire with Mic Control for iPhone iOS Android : Electronics
Remove & Put back ear pads Sennheiser HD 429 - YouTube
Pure Wool Headband Cushion For Sennheiser HD 418 419 428 429 439 438 448 449 Over Ear Headphone Head Band Top Up Replace Pads - AliExpress
Amazon.com: Geekria Shield Case Compatible with Sennheiser ACCENTUM, HD 660S 2, HD 200, HD 598, HD 595 Headphones, Replacement Protective Hard Shell Travel Carrying Bag with Cable Storage (Microfiber Grey) : Electronics