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.

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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CX 350BT