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Sennheiser HD 450BT

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Package Content


  • 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.ation.

    Your reliable companion on the move
    A great companion for travel, the HD 450BT has 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, audiobooks, 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.

  • Frequency response (Microphone) 80 Hz to 6,000 Hz (-3 dB)
    Transducer principle (Microphone) MEMS
    Bluetooth Version 5.0
    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
    Battery Specification Built-in Lithium-Polymer rechargeable battery: 3.7 V ⎓, 300mAh
    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

  • What's in the box?
    HD 340 BT Wireless headphones
    Audio Cable
    USB-C charging cable
    Quick Guide
    Safety Guide