The Sennheiser CX 400BT True Wireless earbuds are a testament to Sennheiser’s legacy of delivering high-quality audio experiences. Designed for those who demand premium sound without sacrificing mobility, these earbuds provide an exceptional listening experience. In this review, we’ll explore the specifications, pros, cons, and everything you need to know about the CX 400BT.
- Driver Type: Dynamic
- Frequency Response: 5 Hz to 21,000 Hz
- Bluetooth Version: 5.1
- Battery Life (Earbuds): Up to 7 hours (with ANC off), Up to 5 hours (with ANC on)
- Battery Life (with Charging Case): Up to 20 hours
- Charging Time: Approx. 1.5 hours (earbuds), Approx. 2 hours (charging case)
- Water Resistance: IPX4 (splash-resistant)
- Codecs Supported: SBC, AAC, aptX
Pros and Cons:
- Outstanding Sound Quality: The CX 400BT boasts Sennheiser’s signature sound, delivering deep bass, clear mids, and detailed highs. The dynamic drivers provide a rich and immersive audio experience.
- Comfortable Fit: These earbuds come with multiple ear tip sizes, ensuring a secure and comfortable fit for various ear shapes. They are lightweight and ideal for extended listening sessions.
- Customizable Controls: The Sennheiser Smart Control app allows you to personalize your listening experience. You can adjust the equalizer, customize touch controls, and even find your earbuds if misplaced.
- Long Battery Life: With up to 7 hours of playback time on a single charge (and an additional 20 hours with the charging case), the CX 400BT provides ample battery life for uninterrupted listening.
- Lacks Active Noise Cancellation (ANC): Unlike some competitors in its price range, the CX 400BT does not feature ANC. It provides passive noise isolation but doesn’t actively cancel out external noises.
- Limited Water Resistance: While the CX 400BT is splash-resistant (IPX4), it may not be suitable for intense workouts or exposure to heavy rain.
Overall Rating: 4.7/5
- Sony WF-1000XM4: Known for their exceptional noise cancellation and sound quality, these earbuds are a strong competitor in the premium true wireless earbuds market.
- Bose QuietComfort Earbuds: With industry-leading noise cancellation and balanced sound, the QuietComfort Earbuds are a top choice for those prioritizing ANC.
- Apple AirPods Pro: Featuring active noise cancellation and seamless integration with Apple devices, the AirPods Pro are a popular option among iOS users.
The Sennheiser CX 400BT True Wireless earbuds are a testament to Sennheiser’s commitment to audio excellence. With their exceptional sound quality, customizable controls, and comfortable fit, they cater to music enthusiasts and audiophiles alike.
Q: Can I use the CX 400BT for phone calls?
A: Yes, the CX 400BT comes with built-in microphones that allow for clear and crisp phone calls.
Q: Can I use one earbud at a time?
A: Yes, you can use either the left or right earbud independently, providing flexibility in your listening experience.
Q: Does it support wireless charging?
A: No, the CX 400BT charging case does not support wireless charging. Charging is done through the included USB-C cable.
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