vs
9.2Noise control & calls3.8
Why is TUNE 660NC better than HD660 Pro?
- Active noise cancellingYes · HD660 Pro: No
- Weight166 g vs 250 g+51%
Why is HD660 Pro better than TUNE 660NC?
- Lowest frequency20 Hz vs 10 Hz2×
- Highest frequency20,000 Hz vs 30,000 Hz+50%
- Driver size32 mm vs 40 mm+25%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 32 mm | 40 mm |
| Lowest frequency | 20 Hz | 10 Hz |
| Highest frequency | 20,000 Hz | 30,000 Hz |
| Impedance | 32 Ω | 150 Ω |
| Sensitivity | 100 dB | 96 dB |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Battery & charging | ||
| Battery life | 55 h | — |
| Battery life with ANC | 44 h | — |
| Battery capacity | 610 mAh | — |
| Charging time | 2 h | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5 | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Alexa, Google Assistant, Siri | — |
| Design & build | ||
| Weight | 166 g | 250 g |
| Foldable | Yes | — |








