6.8Battery4.5
Why is TUNE 660NC better than KH-KZ30?
- Battery life55 h vs 35 h+57%
- Charging time2 h vs 3 h+50%
- Driver size32 mm vs 30 mm+7%
Why is KH-KZ30 better than TUNE 660NC?
- Weight166 g vs 157 g+6%
- Bluetooth version5 vs 5.2+4%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | — |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 32 mm | 30 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | — |
| Sensitivity | 100 dB | — |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Battery & charging | ||
| Battery life | 55 h | 35 h |
| Battery life with ANC | 44 h | — |
| Battery capacity | 610 mAh | — |
| Charging time | 2 h | 3 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.2 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Smart & streaming | ||
| Voice assistant | Alexa, Google Assistant, Siri | — |
| Design & build | ||
| Weight | 166 g | 157 g |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | — | Yes |
