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

Tech Specs

Headphone

Earpiece Design	Over-Ear (Circumaural), Closed-Back
Earpiece Connection / Wearing Style	Headband
Driver Type	Dynamic
Active Noise Cancellation	Yes
Controls/Microphone Location	Controls: Earpiece (Side Unspecified) Microphone: Earpiece (Side Unspecified)
Sensors	Touch
Foldable	Yes

Performance

Frequency Response	18 Hz to 22,000 Hz (Wireless)
Maximum Sound Pressure Level (SPL)	108 dB at 1 kHz
Total Harmonic Distortion (THD)	0.3%

Microphone

Number of Mics	2
Beamforming Support	Yes
Type	MEMS
Frequency Response	80 Hz to 6000 Hz

Wireless Connectivity

Wireless Modulation	π/4 DQPSK, 8DPSK, GFSK
Supported Audio Codecs	AAC, SBC, aptX, aptX LL
Bluetooth Profiles	A2DP, AVRCP, HFP, HSP
Bluetooth	5.0
Frequency	2.4 GHz (2402 to 2480 MHz)
NFC	None

Wired Connectivity

Audio Connector to Source	1 x 1/8" / 3.5 mm Male
Audio Connector to Earpiece	1 x 1/8" / 3.5 mm Female

Battery

Battery Chemistry	Lithium-Ion Polymer (LiPo)
Capacity (mAh)	600 mAh
Runtime	30 Hours (BT+ANC)
Recharge Time	2 Hours
DC Input Power	5 VDC
Charging Port	USB Type-C

Physical

Weight

Headphones:
8.4 oz / 238 g

Packaging Info

Package Weight	1.205 lb
Box Dimensions (LxWxH)	9.2 x 9.2 x 4.1"