Why is Q20i better than HD660 Pro?
- Active noise cancellingYes · HD660 Pro: No
Why is HD660 Pro better than Q20i?
- Lowest frequency20 Hz vs 10 Hz2×
- Highest frequency20,000 Hz vs 30,000 Hz+50%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | 10 Hz |
| Highest frequency | 20,000 Hz | 30,000 Hz |
| Impedance | 16 Ω | 150 Ω |
| Sensitivity | — | 96 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 60 h | — |
| Battery life with ANC | 40 h | — |
| Quick charge (claimed) | 5 min → 4 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5 | — |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 246 g | 250 g |
| Foldable | Yes | — |
| Colours | BIue, Pink, White, Black, Navy Blue, Taupe | — |
| Features | ||
| Hands-free calls | Yes | — |
