ZMF Headphones · Aftermarket replacement
ZMF HD6xx+ Pads
Verified as compatible with 1 headphone model.
Verified compatible headphones
Evidence
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shop.zmfheadphones.com
ZMF’s own product page says its HD6xx+ substitute pads are designed for Sennheiser HD6xx, 580, 600, 650, and 660-style headphones, and explicitly lists HD580 among models the pads fit.