Sennheiser HD 400U - Black

Description

Modern Connectivity Meets Sennheiser Sound

The HD 400U represents a natural evolution in Sennheiser’s lineup, replacing traditional 3.5mm connections with a USB-C interface for seamless compatibility with today’s devices. This direct digital connection enables a low-latency, lossless signal path, ensuring consistent audio quality without the compromises of wireless transmission.Designed for convenience, the plug-and-play architecture eliminates the need for adapters or charging, making it an ideal solution for users seeking simplicity without sacrificing sound performance.

Dynamic and Engaging Sound Performance

Built around Sennheiser’s acoustic heritage, the HD 400U delivers a sound profile that emphasizes dynamic bass and engaging musicality. Its drivers provide a well-extended frequency response, making it particularly suited for contemporary genres such as pop, electronic, and rock music.The result is a listening experience that feels energetic and immersive, while maintaining enough clarity and detail for everyday critical listening.

Closed-Back Design for Focused Listening

The closed-back, over-ear construction helps reduce external noise, allowing for more focused listening in a variety of environments. Whether used at home, in the office, or on the go, the passive isolation enhances immersion without the need for active noise cancellation. This design also contributes to a more controlled bass response and a consistent listening experience across different environments.

Designed for Everyday Portability

The HD 400U is engineered with mobility in mind. Its lightweight frame and foldable design make it easy to s

tore in a bag, while the included carrying pouch protects it during transport. A detachable cable adds practicality and longevity, allowing for easy replacement if needed, while keeping the headphones compact and travel-friendly.

Integrated Controls for Seamless Use

A one-button smart remote and built-in microphone are integrated directly into the cable, enabling quick control over music playback and calls. This makes the HD 400U particularly well-suited for hybrid use between entertainment and communication, whether on a smartphone, tablet, or laptop.
 

Frequently asked questions

What devices are compatible with the Sennheiser HD 400U?

The HD 400U is compatible with any device featuring a USB-C port, including smartphones, tablets, laptops, and gaming devices.

Does the HD 400U require charging?

No, the headphones are fully wired and draw power directly from the connected device, requiring no battery or charging.

Is the HD 400U suitable for phone calls?

Yes, it includes a built-in microphone and inline remote for handling calls and controlling playback.

How does the HD 400U differ from the HD 400S?

The HD 400U replaces the 3.5mm connection of the HD 400S with USB-C, enabling direct digital audio transmission and compatibility with modern devices without adapters.

Can I use the HD 400U with a computer?

Yes, it works seamlessly with computers that support USB-C audio output.

Does the HD 400U block outside noise?

It provides passive noise isolation through its closed-back design, helping reduce ambient noise without active noise cancellation.
 

What’s in the Box

Sennheiser HD 400U Headphones
USB-C detachable cable with inline remote
Carrying pouch
Documentation