Enjoy great wireless audio on the go or at home with the HD 350BT. Thanks to Bluetooth 5.0, high-quality codec support (AAC, aptX Low Latency), and an excellent 30-hour battery life, this stylish and durable wireless headset is your versatile companion for experiencing better audio wherever you are.
Take your love of audio further
The HD 350BT is the ideal choice for people who love great audio. Enjoy an engaging sound experience with deep dynamic bass.
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.
Exceptional wireless sound
The HD 350BT delivers an engaging sound experience with deep dynamic bass. Flawless transmission is assured by the latest wireless technology, including Bluetooth 5.0 and high-quality wireless codecs such as AAC, aptX, and aptX Low Latency - for perfect audio-video synchronization.
All day, every day
Thanks to an impressive 30-hour battery life and fast USB-C charging, the HD 350BT is your ideal companion for listening throughout the day. Available in black or white, this headset has been created from durable, high-quality materials to be tough enough to take anywhere, with a compact folding design that fuses comfort and minimalist style.
It‘s all about you
Customizing your sound experience is effortless thanks to the Sennheiser Smart Control App. Its intuitive equalizer lets you easily adjust the sound to fit your taste. The special podcast mode can be selected to optimize the intelligibility of your favorite podcasts, audio books, and other speech content.
Connect and interact
For you to enjoy your connected lifestyle, the HD 350BT has a dedicated Voice Assistant button for instant voice interaction with Siri or the Google Assistant. Controlling music and calls is also intuitive thanks to easy-access touch buttons on the earcups.
Personalize your sound experience with the
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.
Sennheiser Smart Control is a free app and compatible with most iOS and Android systems. This App is available in 8 languages including German, English, French, Spanish, Russian, Korean, Japanese and Mandarin.
What's in the box?
HD 350 BT Wireless headphones
USB-C charging cable
|Frequency Response (Microphone)
||80 Hz to 6,000 Hz (-3 dB)
|Total Harmonic Distortion (THD)
||< 0.3 % (1 kHz, 100 dB)
|Transducer Principle (Microphone)
||18 Hz to 22,000 Hz (-10 dB)
||GFSK, π/4 DQPSK, 8DPSK
||Built-in Lithium-Polymer rechargeable battery: 3.7 V DC, 300mAh
||320 mA max.
||EQ and updates via Sennheiser Smart Control
||SBC, AAC, AptX, AptX Low Latency
||HSP, HFP, AVRCP, A2DP
||Approx. 2 hours
||5 V, DC
||30 hours music playback via Bluetooth with ANC activated
|Sound Pressure Level (SPL)
||108 dB (1 kHz/0 dBFS)
||2,402 MHz to 2,480 MHz
||Approx. 238 g (8.40 oz, 0.52 lb)