Sennheiser HD 4.40 BT Wireless Bluetooth Headphones

BH #SEHD44BTWBLK • MFR #506782
Sennheiser HD 4.40 BT Wireless Bluetooth Headphones
Key Features
  • Bluetooth 4.0 and NFC Pairing
  • Intuitive Earcup-Mounted Controls
  • Dual Omnidirectional Microphones
  • Foldable Design for Travel and Storage
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The HD 4.40 BT Wireless Bluetooth Headphones from Sennheiser feature high-quality sound and Bluetooth 4.0 technology in a sleek and foldable design. These headphones can be used to listen to music and answer calls, and are well suited for use with smartphones, MP3 players, tablets, and other portable devices.
Discontinued
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Sennheiser HD4.40 Overview

  • 1Description
  • 2Control at Your Fingertips
  • 3High-Quality Sound with No Strings Attached
  • 4Comfort on Every Street

The HD 4.40 BT Wireless Bluetooth Headphones from Sennheiser feature high-quality sound and Bluetooth 4.0 technology in a sleek and foldable design. These headphones can be used to listen to music and answer calls, and are well suited for use with smartphones, MP3 players, tablets, and other portable devices.

The HD 4.40 BT are built to be portable and can make travel more pleasurable. With their over-ear design, and deep, ergonomically designed earpads, these headphones offer lasting comfort, even during extended listening sessions. Their robust, foldable-headband design can be easily and compactly stored in the supplied protective case.

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.
UPC: 615104266957

Sennheiser HD4.40 Specs

Headphone
DesignOver-Ear (Circumaural)
General
Frequency Response18 Hz to 22 kHz
Impedance18 Ohms
Maximum Sound Pressure Level (SPL)113 dB at 1 kHz / 1 Vrms
Total Harmonic Distortion (THD)0.5%
Microphone
Number of Mics2
Pickup PatternOmnidirectional
Frequency Response100 Hz to 10 kHz
Wireless Connectivity
Supported Audio CodecsaptX
Bluetooth4.0
NFCYes
Wired Connectivity
Audio Connector to Source1/8" / 3.5 mm Angled
Cable Length4.6' / 1.4 m
Battery
Battery ChemistryLithium-Ion Polymer (LiPo)
Capacity (mAh)600 mAh
Runtime25 Hours
Recharge Time2 Hours
DC Input Power5 VDC at 400 mA
Physical
Weight7.9 oz / 225 g
Packaging Info
Package Weight1.095 lb
Box Dimensions (LxWxH)9.35 x 7.15 x 4"
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