Sennheiser HD 450BT Over Ear Wireless Headphones, with Active Noise Cancellation, 32mm driver

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  • Active noise cancellation for uninterrupted listening pleasure
  • Superior wireless sound with deep dynamic bass and quality codec support including AAC and AptX Low Latency
  • 30-hour battery life
  • Crafted from quality materials for outstanding durability with a minimalist design available in a choice of white or black
  • Intuitive controls including Virtual Assistant button for Siri and Google Assistant
  • USB-C fast charging and advanced wireless Bluetooth 5.0 technology for effortlessly reliable connectivity



Technical Data

Frequency response (Microphone)
80 Hz to 6,000 Hz (-3 dB)

Transducer principle (Microphone)

Bluetooth Version

Supported Profiles

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
32mm size, Dynamic, closed

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

App support
EQ and updates via Sennheiser Smart Control


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