Sennheiser HD 400U USB-C Wired Over-Ear Headphones
For over 80 years, Sennheiser has been synonymous with exceptional audio quality and true sound reproduction. The Sennheiser HD 400U headphones continue this proud legacy, offering the iconic Signature Sennheiser Sound through a convenient, modern USB-C connection. Say goodbye to Bluetooth pairing hassles and battery worries—experience pure, uncompressed digital audio instantly with plug-and-play simplicity. Ideal for music lovers, gamers, and professionals seeking reliable wired headphones with superior sound clarity.
Sennheiser HD 400U Headphones - Signature Sound and Comfort Design
Key Features of Sennheiser HD 400U Wired Headphones
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Signature Sennheiser Sound: Enjoy balanced audio tuning with crystal-clear mids, detailed highs, and controlled bass for an immersive listening experience.
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USB-C Digital Plug-and-Play Connection: Delivers stable, uncompressed sound without the need for pairing or charging—perfect for laptops, smartphones, and tablets.
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Removable Cable System: Flexibility to use the included USB-C cable or switch to an optional analog cable for versatile connectivity.
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Inline Remote & Microphone: Effortlessly handle calls, control music playback, and manage volume with built-in controls.
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Closed-Back Over-Ear Comfort: Lightweight, foldable design with passive noise isolation and soft, replaceable ear pads for all-day comfort.
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Built to Last: Constructed with durable materials for everyday reliability and long-term use.
Whether you're streaming music, taking video calls, or gaming, the Sennheiser HD 400U over-ear headphones provide high-fidelity sound and comfort without compromises. Optimized for USB-C devices, these wired headphones ensure low-latency audio transmission for a seamless experience.
Technical Specifications
| Specification |
Details |
| Ear Coupling |
Over-ear |
| Transducer Principle |
Dynamic |
| Acoustic Principle |
Closed |
| Plug |
USB-C |
| Cable Length |
1.4 m |
| Weight (Headphone) |
217 g |
| Headphones - Frequency Response |
18 – 20,000 Hz (-10 dB) |
| Headphones - Impedance |
18 Ω |
| Headphones - Sound Pressure Level (SPL) |
120 dB SPL @ 1 kHz, 1V RMS |
| Headphones - Total Harmonic Distortion (THD) |
<0.5% (1 kHz, 100 dB SPL) |
| Microphone - Frequency Response |
100 – 10,000 Hz |
| Microphone - Pick-up Pattern |
Omni-directional |
| Microphone - Sound Pressure Level (SPL) |
-44 dBV/Pa |
What's Included in the Box
- One pair of Sennheiser HD 400U over-ear headphones
- One USB-C cable with inline remote and microphone
- A quick guide to get you started
Upgrade your audio setup with the Sennheiser HD 400U—premium USB-C wired over-ear headphones designed for unparalleled sound quality and comfort. Perfect for everyday use in home offices, travel, or entertainment.
