HD 4.5 / 450 / 458BT Earpads
Verified as compatible with 3 headphone models.
Evidence
-
assets.sennheiser.com
The official HD 4.50 BTNC/HD 4.50R manual says to detach the pad by pulling it away from the earcup and attach the new pad by inserting its fixation band into the earcup space. The seal claim is supported; no separate ANC-performance claim is established.
-
global.sennheiser-hearing.com
Official listing identifies genuine HD 4.50 BTNC replacement earpads, part 507240, supplied as a pair; it explicitly lists HD 4.50 BTNC compatibility and says the pads help restore the original feel and acoustic seal.
-
spares.sennheiser-hearing.com
Sennheiser’s service catalog identifies the exact HD 4.50 BTNC model and lists its earpads as article 507240.
-
global.sennheiser-hearing.com
Sennheiser identifies article no. 507240 and explicitly lists HD 450SE as compatible; the page says fit is guaranteed for listed models.
-
spares.sennheiser-hearing.com
Sennheiser’s parts page for exact model HD 450SE, article no. 509280, lists HD 4.50 BTNC Earpads, article no. 507240.
-
sg.sennheiser-hearing.com
Sennheiser identifies article 507240 and explicitly lists HD 458BT (508968) among compatible headphone models.
-
spares.sennheiser-hearing.com
Sennheiser's spare-parts page identifies the exact HD 458BT, article 508968, and lists HD 4.50 BTNC earpads, article 507240.
-
us.sennheiser-hearing.com
The official HD 458BT page lists “Earpad for HD 450BT (1 Pair)” under compatible spare parts.