vs
3.7Battery5.0
Why is Tone Free FN6 better than CX 400BT True Wireless CX400TW1?
Tone Free FN6 has no measurable advantages in this pair.
Why is CX 400BT True Wireless CX400TW1 better than Tone Free FN6?
- Battery life6 h vs 7 h+17%
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 | Yes |
| Noise control | ||
| Active noise cancelling | No | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 6 h | 7 h |
| Battery capacity | 55 mAh | — |
| Charging time | — | 1.5 h |
| 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 |
| USB-C | — | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Design & build | ||
| Earbud weight (each) | — | 12 g |
| Protection rating | IPX4 | — |
| Water resistance (IPx) | IPx4 | — |
| Features | ||
| Hands-free calls | — | Yes |
