6N OCC Balanced AUDIO CABLE For Sennheiser HD660S HD6XX HD58X HD660S2

6N OCC Balanced AUDIO CABLE For Sennheiser HD660S HD6XX HD58X Headphones 4.4mm is used for balance players of other brands such as Sony and Fiio 2.5mm for 2.5mm BAL AMP balanced DAC player 3.5mm is the standard connector for mobile phones, music...