The HD 400S features a one-button smart remote conveniently located on the cable, 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. Sennheiser dynamic drivers deliver a well-extended sound response with dynamic bass.

Key Features

• Renowned Sennheiser sound quality for a unique listening experience
• Built-in microphone and remote for call and music control.
• Closed-back around-ear headphones reduce unwanted background noise for your comfort.
• Lightweight, foldable headphones for easy on-the-go storage.

What’s In The Box

• HD 400S around-ear headphones
• RCS 400 detachable single-sided cable with 1-button remote and 3.5 mm angled plug

General Specifications

• Frequency Response (Headphones):  18–20,000 Hz -10 dB
• Frequency Response (Microphone):  100 – 10,000 Hz -10 dB
• Impedance:  18 Ω
• Sound Pressure Level (SPL):   120dB 1kHz/1Vrms
• THD:  <0.5% 1kHz/100dB
• Sensitivity:  120 dB SPL @ 1 kHz, 1V RMS
• Transducer Principle:  Dynamic
• Pick-up Pattern:  Omnidirectional
• Microphone Sensitivity:  44dbV/Pa
• Acoustics:  Closed
• Ear coupling:  Over-Ear Jack plug – 3.5mm angled
• Cable Length:  1.4m
• Weight:  217g