Sennheiser CX True Wireless with Impressive Sound and 27 Hours of Battery Life.

Technical Specifications

• General

  • Model: Sennheiser CX True Wireless
  • Form Factor: In-ear, True Wireless
  • Driver: 7 mm TrueResponse Transducer
  • Frequency Response: 5 Hz – 21 kHz
  • Sensitivity: 110 dB SPL (1 kHz/0dBFS)
  • Weight: Approx. 6 g per earbud, charging case 37 g
  • Material: Plastic
  • Splash Protection: IPX4 (resistant to splashes and sweat)
  • Colors: Black, White

• Connectivity

  • Bluetooth Version: 5.2
  • Supported Profiles: A2DP, AVRCP, HFP
  • Supported Codecs: SBC, AAC, aptX™

• Battery and Charging

  • Battery Life (Headphones): Up to 9 hours
  • Total Battery Life (with Charging Case): Up to 27 hours
  • Charging Time: Approx. 1.5 hours for a full charge
  • Charging Port: USB-C
  • Quick Charge: 15 minutes of charging for 1 hour of playback

• Special Features

  • Passive Noise Isolation: Due to the in-ear design and ear adapters
  • Equalizer: Customizable sound settings via the Sennheiser Smart Control App
  • Touch Controls: Customizable controls for music, calls, and voice assistant
  • In the Box: Earbuds, charging case, USB-C charging cable, 4 sizes of silicone ear adapters (XS/S/M/L)

Description

The Sennheiser CX True Wireless impresses with its stunning sound quality, built on Sennheiser’s 75+ years of experience in audio technology. Powered by the custom-made 7 mm TrueResponse transducers, the headphones deliver a crystal-clear, detailed sound with powerful and precise bass. Through the accompanying Sennheiser Smart Control App, the sound can be customized to personal preferences using a built-in equalizer, which includes an optional bass boost function.

These true wireless headphones are designed for daily use and offer a high level of wearing comfort. The ergonomic design and the four included sizes of silicone ear adapters ensure a secure and comfortable fit. With a protection rating of IPX4, the CX True Wireless are protected against splashes and sweat, making them reliable companions during sports or in rainy weather.

Battery Life and Controls

One of the strengths of the Sennheiser CX True Wireless is their long battery life. The headphones themselves offer up to 9 hours of uninterrupted playback time. Together with the compact charging case, which is charged via a USB-C port, the total runtime extends to up to 27 hours. A quick-charge function allows you to use the headphones for another hour after just 15 minutes of charging. The intuitive touch controls on the earbuds make it easy to manage music, calls, and the voice assistant.