Balanced 2.5mm 4.4 6.5 XLR stereo16 Core Earphone Cable For Sennheiser HD580 HD600 HD650 HD25 HD660S hd565 hd545 Upgrade. 3.5mm 3 Pole Plug. 3.5mm 4 Pole balanced. 2.5mm 4 Pole balanced. XLR 4 Pole Male.
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