Dekoni Audio · Aftermarket replacement
Replacement Earpads for the Sennheiser HD280 Series Headphones (Midnight/Jerzee options)
Verified as compatible with 1 headphone model.
Verified compatible headphones
Evidence
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dekoniaudio.com
Dekoni’s product page explicitly lists SteelSeries Arctis 3 among its compatible models and gives dimensions of 100 × 80 mm, inner dimensions of 70 × 46 mm, and thickness of 21 mm.