vs
Why is TAT8505BK/00 better than CX 400BT True Wireless CX400TW1?
- Driver size13 mm vs 7 mm+86%
Why is CX 400BT True Wireless CX400TW1 better than TAT8505BK/00?
- Battery life6 h vs 7 h+17%
- Lowest frequency20 Hz vs 5 Hz4×
- Highest frequency20,000 Hz vs 21,000 Hz+5%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 13 mm | 7 mm |
| Lowest frequency | 20 Hz | 5 Hz |
| Highest frequency | 20,000 Hz | 21,000 Hz |
| Sensitivity | 108 dB | 107 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 6 h | 7 h |
| 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 | — |
| Design & build | ||
| Earbud weight (each) | — | 12 g |
| Colours | Black | — |
| Features | ||
| Hands-free calls | — | Yes |







