Dekoni Audio · Aftermarket replacement
Replacement Earpads for Sennheiser HD820 Headphones — Hybrid, Elite Velour, Fenestrated Sheepskin, or Sheepskin variants
Verified as compatible with 1 headphone model.
Verified compatible headphones
Evidence
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dekoniaudio.com
Dekoni’s article discusses its replacement pads specifically on the Sennheiser HD820 and describes material-specific sound-signature differences.