
Sennheiser HD 400U Over Ear Headphones
Lightweight, foldable headphones
The HD 400 Series features a one-button smart remote, which allows you to control music and take calls with ease, and the sturdy folding design makes these headphones durable and compact enough to be taken anywhere.
For a unique listening experience
Sennheiser’s dynamic drivers deliver a well-extended sound response with dynamic bass for a unique listening experience and closed-back around-ear headphones reduce unwanted background noise for your comfort.
Specifications
- Transducer principle dynamic, closed-back
- Wearing style Over-Ear
- Acoustic principle closed
- Cable length 1.4m
- Weight 217g
- Frequency response (speaker) 18 Hz to 20,000 Hz
- Impedance 18 Ω
- Transducer size 9.7 mm
- Total harmonic distortion (THD) < 0.5% (1 kHz, 100dB)
- Frequency response (microphone) 100 to 10,000 Hz
- Microphone pick-up pattern Omni-directional
What's included
- HD 400U around-ear headphones
- RCU 400 Detachable single-sided cable with 1-button remote and USB-C Plug
Original: $99.95
-70%$99.95
$29.98More Images




Sennheiser HD 400U Over Ear Headphones
Lightweight, foldable headphones
The HD 400 Series features a one-button smart remote, which allows you to control music and take calls with ease, and the sturdy folding design makes these headphones durable and compact enough to be taken anywhere.
For a unique listening experience
Sennheiser’s dynamic drivers deliver a well-extended sound response with dynamic bass for a unique listening experience and closed-back around-ear headphones reduce unwanted background noise for your comfort.
Specifications
- Transducer principle dynamic, closed-back
- Wearing style Over-Ear
- Acoustic principle closed
- Cable length 1.4m
- Weight 217g
- Frequency response (speaker) 18 Hz to 20,000 Hz
- Impedance 18 Ω
- Transducer size 9.7 mm
- Total harmonic distortion (THD) < 0.5% (1 kHz, 100dB)
- Frequency response (microphone) 100 to 10,000 Hz
- Microphone pick-up pattern Omni-directional
What's included
- HD 400U around-ear headphones
- RCU 400 Detachable single-sided cable with 1-button remote and USB-C Plug
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Lightweight, foldable headphones
The HD 400 Series features a one-button smart remote, which allows you to control music and take calls with ease, and the sturdy folding design makes these headphones durable and compact enough to be taken anywhere.
For a unique listening experience
Sennheiser’s dynamic drivers deliver a well-extended sound response with dynamic bass for a unique listening experience and closed-back around-ear headphones reduce unwanted background noise for your comfort.
Specifications
- Transducer principle dynamic, closed-back
- Wearing style Over-Ear
- Acoustic principle closed
- Cable length 1.4m
- Weight 217g
- Frequency response (speaker) 18 Hz to 20,000 Hz
- Impedance 18 Ω
- Transducer size 9.7 mm
- Total harmonic distortion (THD) < 0.5% (1 kHz, 100dB)
- Frequency response (microphone) 100 to 10,000 Hz
- Microphone pick-up pattern Omni-directional
What's included
- HD 400U around-ear headphones
- RCU 400 Detachable single-sided cable with 1-button remote and USB-C Plug



















