CX 350BT

Great sounding audio on the go.

Great listening experience

The CX 350BT wireless earphones are the ideal companion for great sounding audio on the go. With support for the latest wireless technologies including Bluetooth 5.0, AAC and AptX™ Low Latency, the CX 350BT delivers a great listening experience.

CX 350BT Product Shot
Woman wearing CX 350BT

Sennheiser sound quality

It’s time to break free.

Man and Women wearing CX 350BT

Great sound experience

A great sound experience is assured by the latest wireless technology, including AAC and AptX™ Low Latency codecs for audio that stays perfectly in sync with onscreen action on compatible devices.

Man wearing CX 350BT

Personal listening experience

The CX 350BT ensures a truly personal listening experience thanks to the Sennheiser Smart Control App which allows for sound customization via its equalizer.


Sound pressure level (SPL)
110 dB (1 kHz/0 dB FS)
Wearing style
Transducer principle
Transducer size
9.7 mm

What's included

  • CX 350BT earphones
  • Ear adapter set (XS/S/M/L)
  • USB-C charging cable
  • Quick guide
  • Safety guide



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