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.
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.
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.
Technical Data:Frequency response (Microphone) - 80 Hz to 6,000 Hz (-3 dB)THD, total harmonic distortion - < 0.3 % (1 kHz, 100 dB)Transducer principle - Dynamic, closedPick-up pattern - Dual BeamformingTransducer principle (Microphone) - MEMSBluetooth Version - 5.0Frequency response - 18 Hz to 22,000 Hz (-10 dB)Modulation scheme - GFSK, π/4 DQPSK, 8DPSKBattery Specification - Built-in Lithium-Polymer rechargeable battery: 3.7 V ⎓, 300mAhCharging Current - 320 mA max.App support - EQ and updates via Sennheiser Smart ControlAudio codec - SBC, AAC, AptX™, AptX™ Low LatencySupported Profiles - HSP, HFP, AVRCP, A2DPCharging time - Approx. 2 hoursCharging voltage - 5 V, DCEar coupling - Around EarOperating time - 30 hours music playback via BluetoothSound pressure level (SPL) - 108 dB (1 kHz/0 dBFS)Transmission frequency - 2,402 MHz to 2,480 MHzWeight - Approx. 238 g
What's in the box?