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|
|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|
Sogar besser als erwartet. Ich kann die Kopfhörer nur empfählen. Gute Audioqualität und Akku.
Un gran producto a un muy buen precio.
Ha llegado en perfectas condiciones, como nuevo. De momento sin ningún problema.
Muy feliz por esta compra. Una gran marc.
Great headphones for the refurbished price! ANC as well as natural noise isolation is great! Wonderful! Sound is a bit muffled or bass heavy to my taste, but the eq app helped out with that. These can get a bit uncomfortable though, if you have a big head like me. This is due to them squeezing a bit hard on my head, but without that squeeze there would ofc be more noise-bleed. Something to consider, but still a great product.
Sound quality and ANC are good. Controls, features, and microphones are fine. But the inability to turn off the sidetone on windows is very irksome.
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