vs
3.7Battery5.0
Why is AirPods 3 better than CX 400BT True Wireless CX400TW1?
- Earbud weight (each)5.4 g vs 12 g2.2×
Why is CX 400BT True Wireless CX400TW1 better than AirPods 3?
- Battery life6 h vs 7 h+17%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 7 mm |
| Lowest frequency | — | 5 Hz |
| Highest frequency | — | 21,000 Hz |
| Sensitivity | — | 107 dB |
| Spatial / 3D audio | Yes | — |
| Head tracking | Yes | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 6 h | 7 h |
| Battery life with ANC | 5 h | — |
| Total with charging case | 30 h | — |
| Charging time | — | 1.5 h |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.1 |
| Bluetooth codecs | — | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | Yes |
| LDAC | — | No |
| Multipoint (two devices) | Yes | — |
| USB-C | — | Yes |
| Smart & streaming | ||
| Voice assistant | Siri | — |
| Design & build | ||
| Earbud weight (each) | 5.4 g | 12 g |
| Protection rating | IPX4 | — |
| Water resistance (IPx) | IPx4 | — |
| Features | ||
| Wear detection (auto pause) | Yes | — |
| Hands-free calls | — | Yes |
