Sennheiser HD400S

Sennheiser HD 400S Wired Headphones

The Sennheiser HD 400S is a lightweight, foldable closed-back over-ear headphone designed for comfortable everyday listening. Its dynamic drivers deliver detailed sound with powerful bass, while the detachable 1.4m cable with one-button remote and microphone makes it convenient for music playback and hands-free calls.

Specifications

• Brand: Sennheiser

• Model: HD 400S

• Type: Wired Over-Ear Headphones

• Acoustic Design: Closed-back

• Driver Size: 32mm Dynamic

• Frequency Response: 18Hz–20kHz

• Impedance: 18Ω

• THD: <0.5% (1kHz, 100dB)

• Sensitivity / SPL: 120dB (1kHz / 1V RMS)*

• Cable Length: 1.4m

• Connector: 3.5mm angled plug

• Cable: Detachable, single-sided

• Microphone: Built-in, omnidirectional

• Microphone Frequency Response: 100Hz–10kHz

• Controls: One-button remote

• Weight: Approx. 217g

• Design: Foldable

• Wireless: No — wired connection