Sennheiser HD 4.40 BT 4.0 25 Black
Sennheiser HD 4.40 BT 4.0 25 Black
Match RatingMatch RatingMatch Rating
Wired
Wireless
Wired + Wireless Combo
Android (headphone port)
Apple iOS (headphone port)
PC or Mac
Use With Headphone Amp
MP3 Player
Musical Instrument
Commuting
PS4 Compatible
PS Vita Compatible
Audio Books
Music
Video Content (Netflix, YouTube, TV)
Radio
Gaming
Podcasts
Over-Ear
Making Phone Calls

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Technical Specifications

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

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