Sennheiser HD 4.50 BTNC Wireless Bluetooth Headphones – Active Noise Cancellation


Sennheiser HD4.50 Specs

Active Noise Cancellation Yes
Design Over-Ear (Circumaural)
Frequency Response 18 Hz to 22 kHz
Impedance 18 Ohms
Maximum Sound Pressure Level (SPL) 113 dB at 1 kHz / 1 Vrms
Total Harmonic Distortion (THD) 0.5%
Number of Mics 2
Pickup Pattern Omnidirectional
Frequency Response 100 Hz to 10 kHz
Wireless Connectivity
Supported Audio Codecs aptX
Bluetooth 4.0
Wired Connectivity
Audio Connector to Source 1/8″ / 3.5 mm Angled
Cable Length 4.6′ / 1.4 m
Battery Chemistry Lithium-Ion Polymer (LiPo)
Capacity (mAh) 600 mAh
Runtime 19 Hours (BT+ANC)
25 Hours (BT)
Recharge Time 2 Hours
DC Input Power 5 VDC at 400 mA
Weight 8.4 oz / 238 g
Packaging Info
Package Weight 1.25 lb
Box Dimensions (LxWxH) 9.2 x 7.2 x 4.1″
Out of stock

Out of stock



Control at Your Fingertips

If you want to take or make a call, change a track, or adjust the volume, the intuitive earcup-mounted controls—along with the integrated microphones—allow for easy operation of the headphones.

High-Quality Sound with No Strings Attached

These wireless headphones are about freedom, musically and physically—thus, no cable. Instead, to appropriately complement the Sennheiser speakers, this headset comes with state-of-the-art wireless technology, aptX audio codec for reliable transmission and true wireless Hi-Fi sound, and provides immediate and simple pairing with compatible devices via Near Field Communication (NFC).

Comfort on Every Street

The headphones combine extended comfort and maximum portability with their over-ear, deep, ergonomically designed earpads. They allow you to enjoy extended listening sessions, and their robust, foldable-headband design enables them to be neatly stowed away in the included protective case.

In the Box

  • Sennheiser HD 4.50 BTNC Wireless Bluetooth Headphones with NoiseGard Active Noise Cancellation
  • Carry Case
  • Audio Cable with 2.5mm and 3.5mm Jack Plug
  • USB Charging Cable with Micro-USB Connector
  • Limited 2-Year Warranty


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