vs
5.6Battery5.0
Why is Air better than CX 400BT True Wireless CX400TW1?
- Earbud weight (each)5.3 g vs 12 g2.3×
Why is CX 400BT True Wireless CX400TW1 better than Air?
- aptXNo · Air: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 7 mm |
| Lowest frequency | — | 5 Hz |
| Highest frequency | — | 21,000 Hz |
| Sensitivity | — | 107 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Microphones | 4 | — |
| Battery & charging | ||
| Battery life | 7 h | 7 h |
| Total with charging case | 35 h | — |
| Charging time | 1.5 h | 1.5 h |
| Fast charging support | Yes | — |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.1 |
| Bluetooth codecs | SBC | aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | Yes |
| LDAC | No | No |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 5.3 g | 12 g |
| Protection rating | IPX7 | — |
| Water resistance (IPx) | IPx7 | — |
| Features | ||
| Hands-free calls | — | Yes |
