HD 450SE

Never miss a beat. Sennheiser’s HD 450SE is a Bluetooth headset that delivers great wireless sound and keeps you effortlessly connected with Amazon Alexa. It offers exceptional versatility for audio lovers with superior sound quality with deep dynamic bass, active noise cancellation and advanced Bluetooth technology. With an excellent 30-hour battery life and Alexa just a touch away, you’ll never miss a thing whether at home or on the move.

Article No. 509280

Never miss a beat

Experience superior wireless sound with deep dynamic bass and stay effortlessly connected with Amazon Alexa.

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.

Superior sound without distractions

The HD 450SE features Sennheiser’s active noise cancellation and a closed back design that lets you enjoy superior sound experience without distractions – even in loud environments. Its exceptional wireless sound can be enjoyed in full thanks to high-quality wireless codec support, including AAC and AptXTM, while AptXTM Low Latency keeps audio perfectly in sync with video.

Superior sound without distractions

Experience effortless connection

The HD 450SE keeps you effortlessly connected, thanks to Bluetooth 5.0 support and a dedicated Voice Assistant button for at a touch voice interaction with Alexa, Siri or Google Assistant. Control over music and calls is just as intuitive via dedicated buttons on the earcups.

Experience effortless connection

Your sound, your way

You want it? You got it. It’s easy to find your perfect sound with the Sennheiser Smart Control App. Keep things neutral or turn up the bass – simply tailor the sound via its intuitive equalizer. Sennheiser Smart Control also offers access to battery status, a Quick Guide for further tips, and allows for easy firmware updates. There’s also a useful podcast mode to boost the clarity of speech when enjoying podcasts, audio books and other speech content.

Your sound, your way

Ready for any journey

With an excellent 30-hour battery life, fast USB-C charging and a compact folding design, the new HD 450SE is an ideal travel companion. With a sleek black finish, it has been crafted from high-quality materials for an ideal combination of discrete minimalist style, ergonomic comfort and take-anywhere durability.
The HD 450SE is supplied with an additional audio cable for optional wired listening and a carry case is for convenient storage.

Ready for any journey


ゼンハイザーSmart Controlは、無料のアプリで、多くのiOSおよびAndroidシステムと互換性があります。

バージョン8.0 and up
Get it on Google PlayAndroid, Google Play and the Google Play logo are trademarks of Google LLC.
バージョン13.0 and up
Download on the App StoreApple, the Apple logo and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries and regions. App Store is a service mark of Apple Inc.


  • HD 450SE Wireless Headphones
  • Audio Cable
  • USB-C Charging Cable
  • Carry Case
  • Quick Guide
  • Safety Guide


  • 周波数特性(マイク)
    80 Hz to 8,000 Hz
  • Bluetooth バージョン
    Bluetooth 5.0 compatible, class 1, BLE
  • 対応プロファイル
  • 充電時間
    Approx. 2 hrs
  • 保管温度
    storage: -20 to +70°C
  • 動作環境
    Operation: 0 to +40°C, charging: +10ºC to +40 ºC
  • 変調方式
    GFSK, π/4 DQPSK, 8DPSK
  • 転送周波数
    2,402 MHz to 2,480 MHz
  • 動作環境
    Operation: 10 to 80%, non-condensing, storage: 10 to 90%
  • マイクロホン
  • 周波数帯域
    18 Hz to 22,000 Hz (-10 dB)
  • 感度
    108 dB (1 kHz/0 dBFS)
  • 全高調波歪(THD + N)
    < 0.3 %
  • イヤカップ形状
    Around ear
  • トランスデューサー原理
    dynamic, closed
  • 本体重量
    Approx. 238 g
  • 指向特性
    Dual Beamforming
  • 電源
    Built-in Lithium-Polymer rechargeable battery: 3.7 V ⎓, 600mAh; USB charging: 5 V ⎓, 500 mA max.
  • 動作時間
    30 hours music playback via Bluetooth with ANC activated