4.0Noise control & calls4.0
Why is HD 490 Pro better than HD 660S2?
- Lowest frequency5 Hz vs 8 Hz+60%
Why is HD 660S2 better than HD 490 Pro?
- Highest frequency36,100 Hz vs 41,500 Hz+15%
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | Open-back | — |
| Driver type | Dynamic | — |
| Driver size | 38 mm | 38 mm |
| Number of drivers | 1 | — |
| Lowest frequency | 5 Hz | 8 Hz |
| Highest frequency | 36,100 Hz | 41,500 Hz |
| Impedance | 130 Ω | 300 Ω |
| Sensitivity | 106 dB | 104 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Connectivity | ||
| Wireless | No | No |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Weight | 260 g | 260 g |
| Colours | Black | Black |
