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HD 450SE

HD 450SE

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Article number: 509280

Never miss a beat. Sennheiser’s HD 450SE is a Bluetooth headset that delivers great wireless sound and keeps you effortlessly connected with Amazon Alexa. It offers exceptional versatility for audio lovers with superior sound quality with deep dynamic bass, active noise cancellation and advanced Bluetooth technology. With an excellent 30-hour battery life and Alexa just a touch away, you’ll never miss a thing whether at home or on the move.

Created by audio specialist Sennheiser to deliver a superior sound experience with deep dynamic bass, it features active noise cancellation to ensure enjoyment without distraction. Sound quality is assured by the latest wireless technology including Bluetooth 5.0 and AAC, aptX™ codec support with aptX™ Low Latency for perfectly synchronized audio when watching videos. The Sennheiser Smart Control App makes it easy to customize the sound via the equalizer or engage podcast mode for improved intelligibility of speech content.

A great companion for travel, the HD 450SE has a superb 30-hour battery life with fast USB-C charging and a robust folding design for take-anywhere durability.
Frequency response (Microphone) 80 Hz to 6,000 Hz (-3 dB)
Transducer principle (Microphone) MEMS
Bluetooth Version 5.0
Supported Profiles HSP, HFP, AVRCP, A2DP
Frequency response 18 Hz to 22,000 Hz (-10 dB)
Sound pressure level (SPL) 108 dB (1 kHz/0 dBFS)
THD, total harmonic distortion < 0.3 % (1 kHz, 100 dB)
Ear coupling Around Ear
Transducer principle Dynamic, closed
Weight Approx. 238 g
Charging time Approx. 2 hours
Pick-up pattern Dual Beamforming
Operating time 30 hours music playback via Bluetooth with ANC activated
Battery Specification Built-in Lithium-Polymer rechargeable battery: 3.7 V ⎓, 600 mAh
Transmission frequency 2,402 MHz to 2,480 MHz
Charging Current 500 mA max.
Audio codec SBC, AAC, AptX™, AptX™ Low Latency
Charging voltage 5 V, DC
Modulation scheme GFSK, π/4 DQPSK, 8DPSK
App support EQ and updates via Sennheiser Smart Control

Customer Reviews

Based on 22 reviews
Leslie Porter
Television hearing

Very comfortable, good sound and controls, not too impessed with the noise cancellation though, not as effective as higher priced Bose


Ottime cuffie, ottimo il suono e buona la cancellazione del rumore, vengono fornite di cavo per usarle non necessariamente wireless, soddisfatta!

Dave Conroy
Great buy at a good price

Nice all round choice and perfect compromise of build, sound quality and features. You'll spend silly money to improve on these.

Giorgi Kotorashvili
Sennheiser hd 450se

Great pair of headphones! Delivery also good. Sound quality is amazing. Only design flaw in my opinion is that headband goes too far from the head. Otherwise its pretty. Thanks


Sound is of particularly good quality. The headphones can be used wireless for quite a long time without charging, it is rather convenient. For its price range, the noise cancelling features does a good job. The only minus might be its cushions which offer less comfort than other headphones in its price range.

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