Step up to great wireless sound with the new HD 450BT. Delivering active noise cancellation, high-quality wireless codec support (AAC, aptX™ Low Latency), and Bluetooth® 5.0, this headset gives you superior sound with deep dynamic bass. Exceptional versatility for audio lovers is guaranteed by Voice Assistant access, the Sennheiser Smart Control App and a 30-hour battery life.

Step up your wireless audio
Step up to great wireless sound with the new HD 450BT. Whether relaxing at home or on the go, you enjoy an exceptional combination of versatility and superior sound.

The Sennheiser HD Series ‒ your audio companion for every need!
Crafted from high-quality materials, the robust and stylish HD models offer an exceptional combination of versatility and superior sound. At home while listening to a podcast or on the go with your favorite song, you can count on the new HD series to be your ultimate companion for wireless audio – whatever you listen to.

Enjoy your music – without distraction
Thanks to active noise cancellation and a closed back design, the HD 450BT delivers captivating sound that you can enjoy without distraction – even in loud environments. Capture every audio detail in exceptional sound quality, assured by high-quality wireless codec support, including AAC and aptX™ Low Latency.

Your reliable companion on the move
A great companion for travel, the HD 450BT has a superb 30-hour battery life. And this headset can be quickly charged with USB-C to save you valuable time on the move. The compact folding design – available in black or white – has been crafted from high-quality materials to provide the perfect balance of minimalist style, ergonomic comfort, and take-anywhere durability.

Your sound – your decision
Whether you want to turn up the bass or enjoy a natural sound, the Sennheiser Smart Control App makes it effortless for you to tailor the sound to your personal taste – thanks to an intuitive equalizer. Besides battery status and firmware updates, the app features a podcast mode that optimizes the intelligibility of podcasts, audio books, and other speech content.

Follow your intuition, stay connected
Take intuitive control over your music and calls via easy touch buttons on the earcups. Have a truly connected experience through the dedicated Voice Assistant button and Bluetooth® 5.0 support or the additional audio cable.

Smart Control App
Listen to your music the way you want. This free dedicated app for iOS and Android provides an effortless way to control, personalize, update and configure your Sennheiser headphone, headset or soundbar.

What's in the box?
HD 450BT Wireless Headphones
Audio Cable
USB-C Charging Cable
Carry Case
Quick Guide
Safety Guide

Technical Data

• 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