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Sennheiser HD 450SE (Black)
Model: HD 450SE / model SEBT4 / U.S. Article No. 509280 · US configuration
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The Black U.S. HD 450SE is the end-of-life Article No. 509280, model SEBT4. Its published plans separate Bluetooth ANC, powered analog ANC and battery-depleted analog playback.
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Explore this buying guide ↗Why consider this model?
- An earlier-model reference for a shopper comparing an exact Black U.S. HD 450SE offer who needs documented Bluetooth ANC, two active Bluetooth links, or separate powered and passive analog routes.
Tradeoffs to weigh
- Sennheiser marks Article No. 509280 end of life. Its 30-hour maximum applies to Bluetooth music with ANC, not the analog plan or the present condition of an older battery; the exact item number, package, cable and seller condition all need checking.
Check these before ordering
- Confirm the exact model, generation, size and configuration in the offer.
- Compare your selected requirements with the detailed review before ordering.
- Check included accessories, seller, current availability and return terms.
Manufacturer information
- Sennheiser U.S. HD 450SE product page and end-of-life status
- HD 450SE instruction manual, package contents
- HD 450SE instruction manual, analog cable, flight-mode and powered ANC conditions
- HD 450SE instruction manual, activating and deactivating ANC
- HD 450SE instruction manual, specifications and two active Bluetooth connections
- HD 450SE instruction manual, product overview and ANC controls, model SEBT4