Ensure the longevity of your Sennheiser product with these Genuine Sennheiser OEM Cable Adapters. This product is compatible with the following models: EH 1430, EH 150, EH 250, EH 350, HD 201, HD 202, HD 207, HD 212 Pro, HD 33,HD 420,HD 420 SL,HD 425,HD 430,HD 437,HD 440 II,HD 442 II,HD 457,HD 477,HD 497,HD 50 TV,HD 60 TV,HD 62 TV, IS 410 TV, MM 400, MM 450, MM 550, PX 210 BT, PX 360, PX 360 BT, PXC 150, PXC 300, PXC 310, PXC 310 BT, PXC 350, PXC 360, PXC 450, RS 110 II, RS 120 II, RS 160, RS 170, RS 180, RS 4200 2 II, RS 4200 II, SET 55 TV, SET 830 S, SET 830 TV, SET 840 S, SET 840 TV, SET 900