Upgrade Headphone Cable for Sennheiser HD650 / 660 S / 600 / 6XX - (6.3 mm SE / 4 pin XLR) by A.L.A.

Focal Utopia Balanced Headphone Cable

iHP-35Hx-XLR - Furutech (2 x XLR) SENNHEISER HD-800 Balanced headphone cable

PrecisionLink Headphone Cable by A.L.A Audio - UP-OCC Silver & Gold

Pure Silver Upgrade Headphone Cable for Sennheiser HD650 / 660 S / 600 / 6XX - (6.3 mm) by A.L.A.

Alpha Design Labs iHP-35S-4XLR 2 Pin Sennheiser Headphone Cable

Furutech ADL- iHP-35S Headphone cable 6.3mm - Suit Sennheiser HD545, HD565, HD580, HD600, HD650, HD-25SP

ADL iHP-35M-PLUS HEADPHONE CABLE (3.5mm – MMCX)

Headphone Cable Upgrade 6.3mm Single Ended by A.L.A. Audio

Furutech - iHP-35H-4XLR - 4 pin balanced SENNHEISER HD-800 headphone cable