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HD 450BT Refurbished
HD 450BT Refurbished
HD 450BT Refurbished

HD 450BT Refurbished

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Article number: B508386

Step up to great wireless sound with the HD 450BT from Sennheiser. Whether relaxing at home or on the go, they offer an exceptional combination of versatility and superior sound.

Created by audio specialist Sennheiser to deliver a superior sound experience with deep dynamic bass, they feature 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 450BT has a superb 30-hour battery life with fast USB-C charging, a Voice Assistant button for Siri and Google Assistant interaction, 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 40 reviews
Tolle Kopfhörer

Der Sennheiser ist super. Er ist ein toller Kopfhörer für unterwegs und auch daheim. Er hat einen gut aufgelösten Sound und fetten Bass. Wenn ich ihn mit meiner Referenz vergleiche, dem beyerdynamic DT-990 Pro 250 Ohm, dann kommt er an dessen Sound nicht heran, aber das ist voll in Ordnung, denn der beyerdynamic ist ein Kabelgebundener Kopfhörer und benötigt einen separaten Kopfhörerverstärker. Ich bin mit dem Sennheiser sehr zufrieden. Tragekomfort und Qualität sind sehr gut.

Good sound but unconfortable on the ears after one hour

Went for the refurbished headphones but the Carry Case, Quick Guide and Safety Guide weren't sent. Good sound but it gets unconfortable on the ears after one hour or so. ANC is ok

Fehlende Kontaktmöglichkeiten

Telefonische Erreichbarkeit wäre gut; vor allem für die Klärung technischer Probleme .

Unwearable yoke

There is almost no padding on the yoke. Decided to return the headphones after 5 minutes of wearing, when the single pressure point on my head started to hurt.

I’m really disappointed. I was a fan of Sennheiser’s after buying the HD280 Pro. Unfortunately all current models that fit my need have the same uncushioned yoke.

Klasse Kopfhörer mit Noise Canceling

Absolut tolle Kopfhörer, die für mich keine Wünsche offen lassen.
Toller Klang und Tragekomfort.

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