HD 400 U

Incl. VAT - Free shipping from £50

HD 400 U

Pure Sound. Instantly Connected.

Incl. VAT - Free shipping from £50

HD 400U

For more than 80 years, Sennheiser has stood for true sound. The HD 400U carries this legacy forward, delivering the unmistakable Signature Sennheiser Sound through a modern USB-C connection. No pairing. No batteries. Just pure, uncompressed audio, instantly.

Signature Sennheiser Sound
USB-C digital plug-and-play connection
Removable cable system
Inline remote & microphone
Closed-back over-ear comfort

Features

True Sennheiser sound: Balanced tuning with clear mids, detailed highs, and controlled bass
Pure digital audio: USB C connection delivers stable, uncompressed sound without pairing or charging
Flexible listening: Removable cable system lets you use the included USB-C cable or switch to an optional analog cable

Stay connected: Inline remote and microphone for easy call handling and music control
Comfortable closed-back design: Lightweight, foldable construction with passive noise isolation and soft, replaceable ear pads
Built to last: Durable materials engineered for everyday reliability

Sound that stays true

Hear music the way the artist intended.

At the heart of the HD 400U is the Signature Sennheiser Sound. Carefully tuned to be balanced and natural, it reveals emotional detail that standard headphones often miss. Clear and expressive mids, shimmering highs, and deep yet controlled bass combine to create a listening experience that feels authentic, immersive, and true to the music.

Instant digital connection

Plug and play simplicity that lets the music speak.

The USB C digital connection delivers uncompressed audio directly from your device to your ears. With no pairing rituals or batteries to manage, the HD 400U offers a reliable, plug-and-play experience across compatible smartphones, tablets, laptops, and computers. Just connect and press play.

Instant digital connection

Comfortable design, ideal to carry around.

Lightweight and secure, the HD 400U is built for hours of comfortable listening. The closed-back over-ear design provides passive noise isolation while allowing the sound to breathe. Soft, replaceable ear pads and a foldable construction make it ideal for work, travel, and everyday use.

Instant digital connection

Flexible and functional

The removable cable system gives you the freedom to adapt to different devices. Use the included USB C cable with inline remote and microphone for calls and playback, or switch to an optional analog cable when needed.