Balanced stock HD650 cable hand-terminated with an excellent Neutrik 4-Pin XLR by Corpse Cable in Bozeman, Montana. Our in-house cable specialist starts with the "stock" HD 650 cable and re-terminates it with a NC4MXX 4-pin XLR for use with balanced headphone amps. This modified cable also works with the Sennheiser HD-600, HD-660 S, HD-580, and Massdrop HD-58X Jubilee, HD-6XX models. The total cable length is approximately 9.5ft and 10ft with the adapter connected. Includes 4-Pin XLR female to 1/4 inch male adapter using the original Sennheiser 1/4" plug, making the cable compatible with single-ended amps as well. Specifications: • 4-Pin terminated with Cardas quad eutectic silver solder• Perfect for use with any balanced headphone amp with a 4-Pin XLR output• 4-Pin NC4MXX & NC4FXX: Rugged zinc die-cast shell, long-lasting and dependable (Next Generation XLR) Corpse Cable offers a two-year guarantee on all modified HD 650 stock cables and a lifetime guarantee on our termination work. It's just our way to prove that Corpse Cable modifications are seriously "Built To Last." For more info on Corpse Cable and who we are, click on our eBay username link - corpsecable, located under seller info.