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Headphones - Sennheiser Headphones: Sennheiser CX350BT Earphones

Product Options

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.

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

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