Sennheiser CX 400BT True Wireless Earbuds – Bluetooth in-Ear Headphones, 7mm Drivers
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Features
- 7mm dynamic drivers and built-in equalizer
- Fully adaptable controls for music, calls and voice assistant
- SBC, AAC and aptX: Wide range of Bluetooth audio codec support
- Up to 6.5 hours playback time + 13.5 hours charging via the case
- Optimal comfort and secure fit with 4 ear adapter sizes
- Enjoy speech optimized calls and voice assistance
Your day-to-day may change but your enjoyment of superior sound won’t. Powered by Sennheiser’s leading audio technology, the new CX 400BT True Wireless gives you total control over an exceptional sound experience. This new model expands Sennheiser’s True Wireless earbud portfolio into a new price bracket. Offering the same sound signature as Sennheiser’s flagship earbuds, the MOMENTUM True Wireless 2, the new CX 400BT offers customizable controls, long-lasting battery life and an all-day comfort design, making it the perfect choice for everyday earbuds.
From the manufacturer
Better sound. Better control.
Whether you’re in the mood for calming tunes or crave some thrilling beats, the bespoke drivers of the CX 400BT True Wireless deliver high-fidelity sound with deep bass, natural mids and a clear treble. Plus, you can personalize your listening experience with the Smart Control App, which lets you play with built-in equalizers for an even more amazing sound quality.
Tune in. Switch off.
For those who always like to be on the ball, on the beat and on-call, the customizable touch controls on both earbuds make it easy to enjoy a smarter and more connected lifestyle. The touch-sensitive interfaces provide fast access to voice assistants such as Siri and Google Assistant, as well as intuitive control of your music and calls.
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Premium sound. Any device.No matter where you stand iOS or Android you’ll always get to enjoy the CX 400BT True Wireless earbuds. Thanks to our wide range of audio codec support including SBC, AAC and aptX, premium sound is guaranteed and with any mobile device. |
Anytime. All the time.No matter where you stand iOS or Android you’ll always get to enjoy the CX 400BT True Wireless earbuds. Thanks to our wide range of audio codec support including SBC, AAC and aptX, premium sound is guaranteed and with any mobile device. |
Minimalist Design. Stylish comfort.The CX 400BT True Wireless is made for those who enjoy diving into a long playlist, a lively audio-book or a loving phone call. Available in black and white they have an ergonomic design created for all-day comfortable wearing. |
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| CX 400BT True Wireless | MOMENTUM True Wireless 2 | |
| Color variants | Black & White | Black & White |
| Battery life | 7h + 13h (earbud + charging case) | 7h + 21h (earbud + charging case) |
| Customizable controls | Yes | Yes |
| Call function | Yes | Yes |
| Active Noise Cancellation | Yes | |
| Voice assistant access | Yes | Yes |
| Internal EQ / Custom presets | Yes | Yes |
| Transparent hearing | Yes | |
| Smart pause | Yes | |
| Splash Resistant (IPX4) | Yes |
Specs
Technical Data
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- Dimensions
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59 x 33.8 x 42.3 mm (earbuds and charging case)
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- Weight
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49g (both earbuds and charging case) 6g (single earbud) 37g (charging case)
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- Package dimensions
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(L x B x H) 170 x 115 x 47 mm
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- THD, total harmonic distortion
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<0,08% (1kHz / 94dB)
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- USB Standard
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USB-C
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- Warranty
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2 years
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- Frequency response (Microphone)
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100 Hz to 10 kHz
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- Bluetooth Version
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Bluetooth 5.1 compliant
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- Supported Profiles
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A2DP, AVRCP, HSP, HFP
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- Frequency response
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5 – 21,000 Hz
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- Ear coupling
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In-ear, closed acoustics
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- Charging time
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1.5 h for full charge / 10 min for 1 h playtime
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- Power supply
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5 V⎓, 600 mA max USB charging via USB-C socket at charging case
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- Battery Specification
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Built-in Lithium-Ion rechargeable batteries
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- Codecs
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SBC, AAC, aptX™
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- Battery time
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Up to 7 hrs music playtime with earbuds Up to 20 hrs music playtime with charging case
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- App support
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Sennheiser Smart Control App for iOS™ and Android™
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- Speaker type
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Sennheiser 7mm dynamic driver
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