When you invest a sizable sum in a high quality device, you want to be able to customize and repair your headphones as the need arises. With these cans, you can. When the headband cushion wears out, you can buy an official Sennheiser replacement for just over $10. If your pet bear gnaws through the cable, it detaches at the earcup for easy swapping. Should you accidentally blow out the drivers with your new amp, Sennheiser even sells replacement HD 600 drivers for $62.95. With a few well-timed tweaks, the Sennheiser HD 600 Audiophile Headphones are about as close you can get to Buy It For Life audio equipment.