Why is FD3 better than IER-M500?
FD3 has no measurable advantages in this pair.
Why is IER-M500 better than FD3?
IER-M500 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Semi-open | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 5 mm |
| Lowest frequency | 10 Hz | 10 Hz |
| Highest frequency | 40,000 Hz | 40,000 Hz |
| Impedance | 32 Ω | 16 Ω |
| Sensitivity | 111 dB | 103 dB |
| Hi-Res Audio | Yes | — |
| Connectivity | ||
| Wireless | No | No |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | 7 g | 7 g |
