Why is CX 80 U better than B5?
- Weight14 g vs 29 g2×
Why is B5 better than CX 80 U?
B5 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Bone conduction |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | — | 16 mm |
| Lowest frequency | 17 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 28 Ω | 8 Ω |
| Sensitivity | 119 dB | 84 dB |
| Battery & charging | ||
| Battery life | — | 8.5 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 6 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | Yes | — |
| Design & build | ||
| Weight | 14 g | 29 g |
| Protection rating | — | IPX7 |
| Water resistance (IPx) | — | IPx7 |
| Features | ||
| Hands-free calls | — | Yes |








