Why is JR310BT better than HD660 Pro?
- Weight113 g vs 250 g2.2×
Why is HD660 Pro better than JR310BT?
- 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 |
| Driver type | Dynamic | Dynamic |
| Driver size | 32 mm | 40 mm |
| Number of drivers | 1 | — |
| Lowest frequency | 20 Hz | 10 Hz |
| Highest frequency | 20,000 Hz | 30,000 Hz |
| Impedance | 32 Ω | 150 Ω |
| Sensitivity | 85 dB | 96 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 12 h | — |
| Charging time | 2 h | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5 | — |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | 113 g | 250 g |
| Foldable | Yes | — |
| Features | ||
| Hands-free calls | Yes | — |
