Dekoni Audio · Aftermarket replacement
Replacement Earpads for Sennheiser HD598/599, HD620S, PC37X, PC38X Headphones (material options include Choice Leather, Midnight, and Jerzee)
Verified as compatible with 1 headphone model.
Verified compatible headphones
Evidence
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dekoniaudio.com
Dekoni's product page explicitly lists PC38X in the product title, fit list, and description as compatible with these replacement earpads. ([dekoniaudio.com](https://dekoniaudio.com/products/ear-pads-for-sennheiser-hd598599-pc37x-pc38x-headphones?variant=46832569843878&utm_source=openai))