The CH650 S and CH660 P provide a balanced cable option for the HD600 series of headphones. If you want to get the most out of your headphones, balanced cables provided more, cleaner power for the ultimate audio experience.
CH660 P
Balanced symmetric connecting cable for HD600 Series with 4.4mm Pentaconn plug.
CH650 S
Balanced symmetric connecting cable for HD600 Series with XLR-4 plug.