Sennheiser 4-Pin XLR Cable for HD 650 / 600 / 6XX / 58X / 660S – Corpse Cable
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
Sennheiser CL 2 1/8-Inch Male to XLR-3 Female Transmitter Cable - Sound Productions