Sennheiser หูฟังไร้สายแบบอินเอียร์ รุ่น CX 400BT True Wireless

Sennheiser หูฟังไร้สายแบบอินเอียร์ รุ่น CX 400BT True Wireless

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  • Wearing style: True wireless stereo earphones
  • Ear coupling: Ear canal
  • Connectivity: Bluetooth 5.1 compliant, class 1, 10 mW (max)
  • Supported profiles: A2DP, AVRCP, HSP, HFP
  • Supported codecs: SBC, AAC, aptX™
  • Speaker principle: Dynamic
  • Speaker size: 7mm diameter
  • Speaker frequency range: 5 Hz – 21 kHz
  • Speaker sensitivity: 107 dB SPL (1 kHz / 1 mW)
  • Speaker THD: <0,08% (1kHz / 94dB)
  • Active Noise Cancellation: No; only passive noise cancellation
  • Mic principle: MEMS
  • Mic frequency range: 100 Hz – 10 kHz
  • Mic pick-up pattern: 2 mic pick-up for ambient noise reduction
  • Battery lifespan: Up to 7 hrs music playtime with earbuds; Up to 20 hrs overall music playtime with charging case
  • Charging time: Approx. 1.5 hrs for a full charge; After 10 min charging 1 hr music playtime; After 60 min charging 5 hrs music playtime
  • Battery type: Built-in Lithium-Ion rechargeable batteries; L/R earbud: 55 mAh; charging case: 420 mAh
  • Power supply: 5 V⎓, 650 mA max; USB charging via USB-C socket at charging case
General Data
- Wearing style: True wireless stereo earphones
- Ear coupling: Ear canal
- Connectivity: Bluetooth 5.1 compliant, class 1, 10 mW (max)
- Supported profiles: A2DP, AVRCP, HSP, HFP
- Supported codecs: SBC, AAC, aptX™
- Speaker principle: Dynamic
- Speaker size: 7mm diameter
- Speaker frequency range: 5 Hz – 21 kHz
- Speaker sensitivity: 107 dB SPL (1 kHz / 1 mW)
- Speaker THD: <0,08% (1kHz / 94dB)
- Active Noise Cancellation: No; only passive noise cancellation
- Mic principle: MEMS
- Mic frequency range: 100 Hz – 10 kHz
- Mic pick-up pattern: 2 mic pick-up for ambient noise reduction
- Battery lifespan: Up to 7 hrs music playtime with earbuds; Up to 20 hrs overall music playtime with charging case
- Charging time: Approx. 1.5 hrs for a full charge; After 10 min charging 1 hr music playtime; After 60 min charging 5 hrs music playtime
- Battery type: Built-in Lithium-Ion rechargeable batteries; L/R earbud: 55 mAh; charging case: 420 mAh
- Power supply: 5 V⎓, 650 mA max; USB charging via USB-C socket at charging case



Superior sound. Tailored to you.

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. With intuitive customizable controls, long-lasting battery life and a design made for all-day comfort, they are the ideal, uncompromised choice for people that are passionate about great sound.

Superior Sound
Immerse yourself in amazing sound quality thanks to Sennheiser’s unique 7mm dynamic audio drivers and personalize your audio experience with the built-in equalizer and the Sennheiser Smart Control app.

Customizable Controls
Manage your music, make calls, or trigger the voice assistant with customizable touch-sensitive technology built into both earbuds.

Codec Support
Enjoy outstanding sound quality no matter your mobile device with our wide range of audio codec support including AAC, aptX, and SBC.

Battery Life
Experience non-stop playtime with 20 hours of battery life – 7 hours on a single charge and a further 13 hours via the charging case.

Ergonomic Design
Dive into your favorite music for as long as you like with an ergonomic design made for all-day wearing.