Why is MM-500 better than 109 Pro?
- Driver size90 mm vs 50 mm+80%
- Highest frequency50,000 Hz vs 30,000 Hz+67%
Why is 109 Pro better than MM-500?
109 Pro has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Open-back | — |
| Driver type | Planar magnetic | — |
| Driver size | 90 mm | 50 mm |
| Lowest frequency | 5 Hz | 5 Hz |
| Highest frequency | 50,000 Hz | 30,000 Hz |
| Impedance | 18 Ω | 40 Ω |
| Sensitivity | 100 dB | 112 dB |
| Noise control | ||
| Active noise cancelling | No | No |
| Connectivity | ||
| Wireless | No | No |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | — | 375 g |
| Colours | Black | — |
