Genuine Sennheiser PXC450 replacement earpads and cable. The following original Sennheiser spare parts are guaranteed to work with your Sennheiser PXC450 noise cancelling headphones.
Sennheiser PX-2G Jack adapter 3.5mm to 6.35mm (Gold-plated) - 549346
Sennheiser ear pads. 1 pair - Black - 517680
Sennheiser cable straight with 2.5mm to 3.5mm angled stereo jack plug - 517681