Sennheiser HD 4.40BT Wireless Headphones
Covered by the Computing (non-Apple products) John Lewis Guarantee
Popular topics
Top specifications
Top specifications
Audio
Audio
Frequency response
18Hz - 22,000Hz
Battery
Battery
Body
Body
Connectivity
Connectivity
Features
Features
Warranty
Warranty
Power
Power
Power source
Rechargeable battery
Sound
Sound
Impedance (Ohms)
18
Sound pressure level (SPL)
113dB
Total harmonic distortion (THD)
<0.5%
Microphone sensitivity
100Hz - 10,000Hz
Microphone pick-up pattern
Dual omnidirectional
Accessory
Accessory
Audio cable
Yes - 1.4m
Warranty
Warranty
Did you find this guide useful?
Thank you for your feedback
Thank you for taking the time to give us feedback. All feedback helps us continue to provide the best online support for our customers and is very much appreciated.
What you need to know about requesting a repair
Requesting a repair is easy. Our video below covers what we’ll need to ask you for to ensure the repair process goes smoothly, and what you can expect during the repair process.
You can close this pop-up at any time to resume your session