Genuine Sennheiser premium balanced connection cable for the HD 800 and HD 800 S High-quality oxygen-free copper and gold-plated contacts Silver coating of the strains minimizes resistance Developed, designed, and manufactured in Germany From Sennheiser The CH800 S and CH800 P provide a balanced cable option for the HD800, HD800S, and HD820. If you want to get the most out of your headphones, balanced cables provided more, cleaner power for the ultimate audio experience. CH800 P Balanced symmetric connecting cable for HD 800 Series with 4.4mm Pentaconn plug Cable Length: 9.8' (3m) Weight: 4.6 oz (130g) Connection: 4.4mm Pentaconn | (x2) ODU CH800 S Balanced symmetric connecting cable for HD 800 Series with XLR-4 plug Cable Length: 9.8' (3m) Weight: 4.6 oz (130g) Connection: 4-pole XLR | (x2) ODU