Optimize the performance of your Sennheiser headphones with the Cardas Headphone Cable. Designed specifically for Sennheiser HD-800 headphones, the custom designed Cardas cable significantly improves performance by replacing the less than ideal stock wiring. Specific connections eliminate unnecessary soldered connections found in other replacement cables, thus improving signal transfer. Inside you'll find double shielded, four-conductor, pure copper litz Golden Ratio constant Q conductors. The Cardas Headphone Cable will significantly improve the sound of your Sennheiser HD-800's.