Image © SennheiserPricey for what it is
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.
The Sennheiser CX 350BT are compact wireless in-ears that prioritize reliable performance and long battery life for daily use. They offer a natural, detailed sound with strong codec support, plus multipoint connectivity for seamless switching between devices. While they lack noise cancellation and water resistance, their lightweight build and quick charging make them a practical choice for commuters and casual listeners.
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
| Driver | 9.7 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 9.7 mm |
| Drivers per side | 1 |
| Frequency response | 17 Hz - 20 kHz |
| Impedance | 28 Ω |
| Sensitivity | 112 dB/mW |
| Driver | 9.7 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 9.7 mm |
| Drivers per side | 1 |
| Frequency response | 17 Hz - 20 kHz |
| Impedance | 28 Ω |
| Sensitivity | 112 dB/mW |
| Bluetooth | 5.0 |
|---|---|
| Codecs | SBC, AAC, aptX, aptX Low Latency, LHDC |
| Multipoint pairing | Yes |
| Wireless range | 10 m |
| Battery life | 10 h |
|---|---|
| Full charge time | 90 min |
| Wireless charging | No |
| Active noise cancelling | No |
|---|
| Weight | 12 g |
|---|---|
| Water resistance | none |
| USB-C | Yes |
| Microphones | 1 |
|---|
4 source(s) feeding this product's score. 1 more source(s) feed the score but are not listed, at the publisher's request.
Video reviews we found, each condensed to its verdict. They do feed the HearWiki score, at a measured weight below what a published written review carries.
9:48The reviewer finds the Sennheiser CX 350BT to be a solid budget wireless headset, particularly praising its microphone quality and comfortable fit. They note the sound is crisp and clear, though not for audiophiles, and highlight the value at the $45 price point, but criticize the tight USB-C port and the significant price gap between color variants.
Summaries are AI condensations of each video's own conclusion, not transcripts. Titles, thumbnails and view counts belong to their channels.
A minute of your experience with the Sennheiser CX 350BT helps the next person shopping for them.
Other wired iems models at a comparable price, ordered by HearWiki score.
Other Sennheiser models in the database, same category first.
The data-driven guides this model qualifies for.
