Sennheiser HD 4.40 BT Bluetooth Wireless Headphones, Black

MX67569 HD 4.40 BT Bluetooth Wireless Headphones, Black
MX67569 HD 4.40 BT Bluetooth Wireless Headphones, Black MX67569 HD 4.40 BT Bluetooth Wireless Headphones, Black MX67569 HD 4.40 BT Bluetooth Wireless Headphones, Black MX67569 HD 4.40 BT Bluetooth Wireless Headphones, Black

Product Info

Sennheiser HD 4.40 BT Bluetooth Wireless Headphones

The new Sennheiser HD 4.40 BT offers high-quality wireless sound for every day listening on the move. The closed-back, around-ear headset features Bluetooth 4.0 and aptX compatibility to deliver true Hi-Fi sound with a satisfyingly dynamic bass. Its elegantly minimalistic design has been crafted from robust, high-quality materials to meet the requirements of the street.

  • Bluetooth® 4.0 and aptX technologies to deliver exceptional wireless sound quality
  • Intuitive ear-cup mounted controls for changing tracks and for making calls via the integrated microphone.
  • NFC for simple pairing with compatible devices
  • Foldable travel-ready design
  • Up to 25 hour battery life and is supplied with connecting cable for battery-free listening
  • Includes headphone cable for optional wired use


The Sennheiser HD 4 Series – Let Everyday Sound Great

You can take it with you. Versatile and vibrant, the new HD 4 series offers you the complete Sennheiser quality package in a range of durable, closed-back over-ear headsets that fulfill your everyday aural needs.

Add the legendary Sennheiser sound to your everyday routine, and let your life be powered by music.

HD 4.40 BT

Great news for music lovers who lead the mobile life. Here comes a headset that brings on all you need and want to enjoy your music on the go: The wireless freedom of movement, the intuitive ease-of-use, the portability, the effortless style. But most of all: The sound, powered by proprietary Sennheiser drivers.

Enjoy wireless freedom and great Sennheiser sound. Everywhere. Every day.

You Are Listening To Well-matured Sound

When you love the sound of the HD 4.40 BT, that's no coincidence at all. The closed-backed design of this headset is fitted with proprietary Sennheiser drivers that came a long way before being allowed to transmit sound to your ears. So, enjoy their well-balanced, amazingly detailed sound with dynamic bass.

Strong Ties That Will Free You

The HD 4.40 BT is about freedom of movement. Thus, no cable. Instead you get the latest wireless technology and audio codec with Bluetooth 4.0 and aptX for reliable transmission and true wireless Hi-Fi sound.

While Near Field Communication (NFC) ensures immediate and simple pairing with compatible devices.

Control Is All At Your Fingertips

Want to take or make a call, change a track, adjust the volume? With the intuitive ear-cup mounted controls and the integrated microphones of the HD 4.40 BT all this is actually fun. Have a try.

Comfort To Make You Feel At Home – Everywhere

The HD 4.40 BT was made to go places with you – and make these places more pleasurable. With its around-ear design and deep, ergonomically designed ear pads it offers comfort even during extended listening sessions. Its robust foldable headband design that can be easily and compactly stored in the supplied protective case makes for perfect portability.

Style As Clean As The Sound

Elegantly minimalistic – using tough, high-quality materials: That is how the HD 4.40 BT was designed. Its sleek frame not only makes it more comfortable to wear, it also makes a statement of timeless class.


Product Bluetooth Wireless Headphones
Part Number 506782
Colour Black
Driver 40 mm, with Neodymium magnets
Type Over-ear, Closed, Dynamic Headphones
Headphones Material N/A
Frequency Response 18 - 22,000 Hz
Impedance 18 Ω
Sensitivity 113 dB (Passive: 1kHz/1Vrms)
Total Harmonic Distortion (THD) <0.5% (1kHz/100dB)
Connectivity Wireless
Wireless Connection Bluetooth 4.0 / NFC pairing
Max Communication Distance Approx. 10 m (without obstruction)
Connection Type micro-USB
Connector 3.5 mm, angled gold-plated
Cord Length 1.4m audio cable
Pick-up pattern Dual omnidirectional microphones
Frequency response 100 - 10,000 Hz
Power 3.7 VDC, 600 mAh
Battery Internal rechargeable Li-ion Polymer battery
Charge Time Approx. 2 hrs
Battery Life Up to 19 hrs
Supported Bluetooth® profiles N/A
Supported Codecs AptX
Supported Content Protection N/A
Dimensions N/A
Weight N/A

Package Contents

  • Sennheiser HD 4.40 BT Bluetooth Wireless Headphones (Black)
  • Micro USB Cable (for charging)
  • Audio Cable, 1.4m
  • User's Information