Sennheiser · Official replacement (OEM)
Momentum 4 / Momentum 5 / HDB 630 Earpads
Verified as compatible with 2 headphone models.
Verified compatible headphones
Evidence
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cdn.sennheiser-hearing.com
The HDB 630 manual describes removing the earpad with its fastening ring and pressing the replacement all around until it clicks into place and sits flush.
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spares.sennheiser-hearing.com
Sennheiser’s HDB 630 spare-parts listing identifies EARPAD M4 BLACK, Article No. 700210, as a spare part for that product.
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us.sennheiser-hearing.com
Sennheiser’s product page calls these genuine OEM earpads, explicitly lists HDB 630 as compatible, and gives Article No. 700210.
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global.sennheiser-hearing.com
Existing validated pilot evidence for Sennheiser Momentum 4.