CX 350BT

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. The Sennheiser Smart Control App facilitates sound customization via its equalizer as well as firmware updates and a podcast mode.


It’s time to break free. With Sennheiser sound quality, 10-hour battery life and advanced features like voice assistant support, the stylish CX 350BT wireless earphones are the ideal companion for enjoying music and videos on the go without compromise.

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. Multi-pairing and Bluetooth 5.0 compatibility ensure fast, reliable connectivity with two devices simultaneously.

The CX 350BT ensures a truly personal listening experience thanks to the Sennheiser Smart Control App which allows for sound customization via its equalizer. Along with the personalization features, the app provides battery status, a Quick Guide, firmware updates and a podcast mode for optimized speech.

 


AVAILABILITY

Sennheiser Smart Control is a free app and compatible with most iOS and Android systems.
This App is available in 8 languages including German, English, French, Spanish, Russian, Korean, Japanese and Mandarin.

Android
Version 7.0 and up
Get it on Google PlayAndroid, Google Play and the Google Play logo are trademarks of Google LLC.
iOS
Version 11.0 and up
Download on the App StoreApple, the Apple logo and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries and regions. App Store is a service mark of Apple Inc.

What's in the box?

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

Technical Data

  • Impedance
    28 Ω
  • Microphone
    MEMS, omnidirectional
  • Frequency response
    17 - 20,000 Hz (- 10 dB)
  • Sound pressure level (SPL)
    110 dB (1 kHz/0 dB FS)
  • THD, total harmonic distortion
    0.5 % (1 kHz, 100 dB SPL)
  • Ear coupling
    ear-canal
  • Transducer principle
    Dynamic
  • Weight
    13 g
  • USB Standard
    Type C
  • Battery time
    10 h, SBC
  • Ear pad material
    Biocompatible Silicone
  • Supported Profiles
    A2DP, AVRCP, HSP, HFP
  • Bluetooth Version
    5.0
  • Codecs
    SBC, AAC, AptX™, AptX™ Low Latency

Downloads

  • Quick Guides
  • Safety Guides
  • EU Declaration of Conformity
    • EU Declaration of Conformity CX 350BT (550 KB) Download

  • Instruction Manual
  • Manufacturer Declaration
    • Compliance information CX 350BT (640 KB) Download

  • Transport information for Lithium-Ion batteries
    • Transport information for Lithium-Ion batteries (540 KB) Download

      Revision Date: 2020-02-09 Revision Number: 1.0