Sennheiser CX 80 – Wired In Ear Earphones Headphones

Sennheiser CX 80 – Wired In Ear Headphones

Sennheiser CX 80 delivers the brand's signature balanced sound either through a modern wired USB-C connection or 3.5 mm audio jack. No pairing. No charging. Just plug in and enjoy clear, natural audio with effortless everyday usability.

• Wired, in-ear, closed
• 9.7 mm dynamic transducer
• Frequency response: 17 – 20,000 Hz (–10 dB)
• Impedance: 28 Ω (1 kHz)
• USB-C or 3.5 mm plug-and-play connection
• Inline remote and microphone
• Weight: approximately 14.3 g
• Made in China
• 2 Year Warranty

Highlights & Key Technologies

Signature Sennheiser Sound
The CX 80 reproduces music with the unmistakable Sennheiser tuning — a balanced sound with crisp highs, natural mids, and controlled bass. Carefully tuned for clarity and balance, it resolves music with crisp detail while the in-ear design provides effective passive noise isolation, helping you stay focused on your sound in busy environments.

Pure Digital Connection
The CX 80 is designed for simplicity. Its wired USB-C or 3.5 mm audio jack connection delivers stable, uncompressed audio and works instantly with compatible smartphones, tablets, and laptops — no pairing and no charging. The result is reliable performance and consistent digital sound quality without worrying about battery life or connectivity.

Comfort for Everyday Life
Compact and lightweight, the CX 80 is built for all-day comfort. Three sizes of ear tips ensure a secure, personalized fit while improving passive noise isolation, so your music stays clear and comfortable throughout the day.

Easy Control
The integrated inline remote and microphone let you manage playback, adjust volume, and take calls with ease, keeping everything you need within easy reach. Durable materials make the CX 80 built to last for reliable everyday listening.

Details & Specifications

MODEL INFORMATION
Model: CX 80 (CX 80S / CX 80U)
CX 80S — 3.5 mm — UPC: 615104346871
CX 80U — USB-C — Article number (SKU): 800125; UPC: 810091274736

TRANSDUCER
Transducer principle: Dynamic, closed
Transducer size: 9.7 mm
Ear coupling: Ear canal
Wearing style (cable): Wired in-ear
Magnetic field strength: 1.2 mT

PERFORMANCE
Frequency response: 17 – 20,000 Hz (–10 dB)
Impedance: 28 Ω (1 kHz)
Sound pressure level (SPL): 119 dB SPL @ 1 kHz, 1V RMS
Total harmonic distortion (THD): < 0.5% (1 kHz, 100 dB SPL)

MICROPHONE
Microphone principle: MEMS
Microphone frequency response: 100 Hz to 10,000 Hz
Microphone pick-up pattern (speech audio): Omni-directional

CABLE & CONNECTIVITY
Cable length: 1.2 m
Plug: 3.5 mm or USB-C

PHYSICAL SPECIFICATIONS
Weight: Approximately 14.3 g

INCLUDED ACCESSORIES
One pair of CX 80 in-ear headphones
Three sizes of ear tips (size M on the product)
Quick guide