Why is SR325x better than HD 660S2?
- Driver size44 mm vs 38 mm+16%
Why is HD 660S2 better than SR325x?
- Lowest frequency18 Hz vs 8 Hz2.2×
- Highest frequency24,000 Hz vs 41,500 Hz+73%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Driver size | 44 mm | 38 mm |
| Lowest frequency | 18 Hz | 8 Hz |
| Highest frequency | 24,000 Hz | 41,500 Hz |
| Impedance | 38 Ω | 300 Ω |
| Sensitivity | 99 dB | 104 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Connectivity | ||
| Wireless | No | No |
| Design & build | ||
| Weight | — | 260 g |
| Colours | Black, White | Black |
