General Information
Superior sound, tailored to you
CX 400BT True Wireless earphones
Rules are there to be broken: With the new CX 400BT True Wireless, Sennheiser has rewritten the rulebook for true wireless audio by bringing its high-end acoustic technology to an exciting new pair of everyday earphones. With intuitive customizable controls, all-day comfort and a 7-hour battery life that can be extended to up to 20 hours using the supplied charging case, they are the ideal, uncompromised choice for anyone with a passion for great sound.
The CX 400BT True Wireless will be available in black and white from September 15, 2020.
Product Website: http://www.sennheiser.com/cx-400
Technical Data
CX 400BT True Wireless earphones
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Rules are there to be broken: With the new CX 400BT True Wireless, Sennheiser has rewritten the rulebook for true wireless audio by bringing its high-end acoustic technology to an exciting new pair of everyday earphones. With intuitive customizable controls, all-day comfort and a 7-hour battery life that can be extended to up to 20 hours using the supplied charging case, they are the ideal, uncompromised choice for anyone with a passion for great sound.
The CX 400BT True Wireless will be available in black and white from September 15, 2020.
Product Website: http://www.sennheiser.com/cx-400
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Technical Data
| Speaker type | Sennheiser 7mm dynamic driver |
| Ear coupling | In-ear, closed acoustics |
| Frequency response | 5 - 21,000 Hz |
| Frequency response (Microphone) | 100 Hz to 10 kHz |
| THD, total harmonic distortion | <0,08% (1kHz / 94dB) |
| Bluetooth Version | Bluetooth 5.1 compliant |
| Codecs | SBC, AAC, aptX™ |
| Supported Profiles | A2DP, AVRCP, HSP, HFP |
| App support | Sennheiser Smart Control App for iOS™ and Android™ |
| Power supply | 5 V⎓ 650 mA max |
| Battery Specification | Built-in Lithium-Ion rechargeable batteries |
| Battery time | Up to 7 hrs music playtime with earbuds Up to 20 hrs music playtime with charging case |
| Charging time | 1.5 h for full charge / 10 min for 1 h playtime |
| USB Standard | USB-C |
| Weight | 49g (both earbuds and charging case) 6g (single earbud), 37g (charging case) |
| Dimensions | 59 x 33.8 x 42.3 mm (earbuds and charging case) |
| Package dimensions | (L x B x H) 170 x 115 x 47 mm |
| Warranty | 2 years |
