Sennheiser CX 80U delivers pure, balanced sound through a wired USB-C connection. Enjoy digital clarity, lightweight comfort, and easy control with its in-line remote and mic. No pairing. No charging. Just the unmistakable Sennheiser sound, instantly connected.

• Lossless natural Sennheiser Sound

• Modern digital USB C connection

• Call & music management via smart remote

• Secure fit and perfect ambient noise isolation

Technical Specification

• General data

• Ear coupling

• Ear canal
• Wearing style (cable)

• Wired in-ear
• Weight

• Approx. 114.3 g
• Frequency response

• 17 – 20,000 Hz (-10 dB)
• Transducer principle

• Dynamic, closed
• Transducer size

• 9.7 mm
• Sound pressure level (SPL)

• 119 dB SPL @ 1 kHz, 1V RMS
• Total harmonic distortion (THD)

• <0.5% (1 kHz, 100 dB SPL)
• Impedance

• 28 Ω (1 kHz)
• Cable length

• 1.2 m
• Plug

• USB C
• Microphone principle

• MEMS
• Microphone frequency response

• 100 Hz to 10,000 Hz
• Microphone pick-up pattern (speech audio)

• Omni-directional
• Magnetic field strength

• 1.2 mT