Sennheiser HD 4.40 BT 4.0 25 Black

MPN: 506782  |  EAN: 4044155204711  |  Model:
Outstanding
Best at: Wired Wired + Wireless Combo Wireless

Where to buy

Current retailer options for this laptop. Prices and availability can change after we last checked.

£84.99

as at 20 Mar 20 | 5:45 AM CET

Find this at Amazon

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£59.97

as at 18 Mar 20 | 6:15 AM CET

See it at Currys

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Choosist's Ratings

Best at

  • Wired
  • Wired + Wireless Combo
  • Wireless
  • Apple iOS (headphone port)
  • PC or Mac
  • +11 more

Suitable for

Musical Instrument, Audio Books, Podcasts, Gaming

Wired Connection

If you're keen on having a wired connection to your audio source, this product is a really good candidate. Also, because its wired, it eliminates the type of audio compromises you could experience if using a purely wireless option.

Wireless Connection

By choosing to go wireless with these pair of headphones, you are no longer shackled to your audio device and now have the freedom to enjoy the trends of wireless gadgets that can connect using various methods like Bluetooth.

Wireless + Wired Combo

With a pair that has both wired and wireless capabilities, you're free to choose how you'd like to connect to your devices.

Battery Life

These Sennheiser headphones are able to last for up to 25 hours.

Connected Devices

  • Android device with a port to connect wired headphones.
  • iOS device where a headphone port is present.
  • PC or Mac for whatever audio you need to listen to while you work or play.
  • Headphone amp that brings your tunes to life.
  • MP3 player which allows you to enjoy your tunes on the go.
  • Musical instrument to listen closely to your output while you play.

Game Console Compatibility

  • Works with the PS4
  • Works with the PS Vita

All Kinds of Journeys

  • Commuting is a key part of life in the city and these headphones will be a good partner while you're on the move.

Various Audio Content Types

  • Audio books in which the vocals of the narrator matters to your listening experience.
  • Music for your audio pleasure and entertainment. 
  • Video content in order to enjoy your choice of movies, series and shows.
  • Radio stations for your debut tracks, shows and news reports. The back of the ear-piece for these headphones are completely closed which helps to eliminate environmental sounds.
  • Gaming audio to stay immersed while navigating through the virtual worlds from your favourite games.
  • Podcasts for fun, knowledge and entertainment.

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Technical Specifications

Sennheiser HD 4.40 BT 4.0 25 Black - 506782 Technical Specifications
Specification Description
Design
Colour of Product Black
Ear Coupling Over-ear
Ear Coupling - Over-ear Yes
Foldable Yes
Headphone or Headset Mobile headset
Headset Type Dual-ear
Multi-function Control - Position On-ear
Multi-function Control - Type Digital
Multi-function Control Present Yes
Volume Control Present Yes
Volume Control Type Digital
Wearing Style Head-band
Sound Technology
Acoustic System Name Closed Back
Headphone Frequency 18 - 22000 Hz
Headphone Sensitivity 113 dB
Impedance 18 Ω (Ohms)
Sound Pressure Level (Max) 113 dB
Ports & Interfaces
3.5mm Connector 1 mm
Bluetooth Yes
Bluetooth Profiles APT-X
Bluetooth Version 4.0
Cable Length 1.4 m
Connectivity Technology Wired & Wireless
NFC / W1 Yes
USB Connectivity Yes
USB Port - Micro Yes
USB Port - Type Micro
Wireless Type Bluetooth
Battery
Battery Life (max) 25 hours
Battery Technology Lithium Polymer (LiPo)
Indication
LED Indicators Yes
Microphone
Microphone Frequency 100 - 10000 Hz
Microphone Number 2
Weight & Dimensions
Weight 225 g
Ergonomics
Detachable Cable Yes
Packaging Content
Cables Included Audio (3.5mm), USB
Carrying Case Yes
Storage Pouch Yes