vs
3.8Noise control & calls9.2
5.6Battery6.3
Why is ATH-M50xBT2 better than LIVE 660NC?
- Highest frequency28,000 Hz vs 20,000 Hz+40%
- Driver size45 mm vs 40 mm+12%
- Lowest frequency15 Hz vs 16 Hz+7%
Why is LIVE 660NC better than ATH-M50xBT2?
- Active noise cancellingNo · ATH-M50xBT2: Yes
- Weight307 g vs 265 g+16%
- Charging time3.5 h vs 2 h+75%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 45 mm | 40 mm |
| Number of drivers | 1 | — |
| Lowest frequency | 15 Hz | 16 Hz |
| Highest frequency | 28,000 Hz | 20,000 Hz |
| Impedance | 38 Ω | 32 Ω |
| Sensitivity | 99 dB | 97 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Battery & charging | ||
| Battery life | 50 h | 50 h |
| Battery life with ANC | — | 40 h |
| Battery capacity | — | 750 mAh |
| Charging time | 3.5 h | 2 h |
| Quick charge (claimed) | 10 min → 3 h | 5 min → 1 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5 |
| Bluetooth codecs | LDAC, aptX, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | Yes | — |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Alexa, Google Assistant |
| Companion app | — | Yes |
| Design & build | ||
| Weight | 307 g | 265 g |
| Foldable | Yes | — |
| Features | ||
| Hands-free calls | Yes | — |
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