VSystem

Sennheiser CX 80 U — Wired Earphones with USB-C Connection

The Sennheiser CX 80 U deliver the brand's signature balanced sound through a modern wired USB-C connection. No pairing, no charging — just plug in and enjoy clear, natural audio with effortless everyday usability. The compact design and passive noise isolation make them a reliable companion for every day.

Key Highlights

• Sennheiser's signature sound — balanced audio with crisp highs, natural mids, and controlled bass
• USB-C plug-and-play connection — no pairing or charging required
• Lightweight design with passive noise isolation and three ear tip sizes for a secure, personalized fit
• Inline remote and microphone for easy music and call control

Technology & Benefits

Sennheiser's Signature Sound

Carefully tuned 9.7mm dynamic drivers reproduce music with crisp detail, natural midrange, and controlled bass. The in-ear design provides effective passive noise isolation, helping you stay focused on your sound in busy environments.

USB-C — Pure Digital Sound, No Hassle

The CX 80 U is designed for simplicity. The wired USB-C connection works instantly with compatible smartphones, tablets, and laptops, delivering stable, uncompressed digital audio. No worrying about battery life or connectivity — just plug in and listen.

Comfort for All Day

A lightweight design of approximately 14.3 g and compact build make them comfortable for extended wear. Three sizes of ear tips provide a personalized, secure fit that improves passive noise isolation, keeping your music clear and comfortable throughout the day.

Easy Control of Calls and Music

The integrated inline remote and microphone let you manage playback, adjust volume, and answer calls without taking out your phone. Everything you need is always within easy reach.

Who Are They For?

The Sennheiser CX 80 U are ideal for anyone who wants reliable wired earphones with quality sound for everyday use — at work, on the commute, or at home. Particularly well-suited to users of USB-C devices who prefer the simplicity of a wired connection over wireless earphones.

Technical Information

• Type: In-ear (canal), closed
• Driver: Dynamic, 9.7mm
• Frequency response: 17–20,000 Hz (-10 dB)
• Sound pressure level (SPL): 119 dB SPL @ 1kHz, 1V RMS
• Total harmonic distortion (THD): <0.5% (1kHz, 100 dB SPL)
• Impedance: 28 Ω @ 1kHz
• Cable length: 1.2 m
• Connector: USB-C
• Microphone type: MEMS
• Microphone frequency response: 100 Hz – 10,000 Hz
• Microphone pick-up pattern: Omni-directional
• Magnetic field strength: 1.2 mT
• Weight: Approx. 14.3 g

What's in the Box

• Sennheiser CX 80 U earphones
• Ear tips (S, M, L)

Expert Tip from vsystem.bg

For optimal noise isolation and sound quality, choose the right ear tip size — a secure, airtight fit is key for in-ear earphones. If your device doesn't have a USB-C port, an adapter will be needed, as the CX 80 U does not include a 3.5mm jack.

FAQ

Do they work with all USB-C devices?
They work with most smartphones, tablets, and laptops with a USB-C port that supports USB audio. We recommend checking whether your device supports USB audio before purchasing.

Is there a 3.5mm version?
No, the CX 80 U uses a USB-C connection exclusively. For a 3.5mm jack option, see other models in the Sennheiser CX range.

Are they suitable for calls?
Yes, the built-in MEMS microphone with an omni-directional pick-up pattern provides clear voice capture during calls.

Is charging or pairing required?
No — the USB-C connection is entirely wired and draws power directly from the device. No charging or pairing is needed.