Why is FD15 better than IE 600?
- Lowest frequency10 Hz vs 20 Hz2×
- Highest frequency40,000 Hz vs 20,000 Hz2×
Why is IE 600 better than FD15?
IE 600 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 7 mm |
| Number of drivers | — | 1 |
| Lowest frequency | 10 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 18 Ω |
| Sensitivity | 112 dB | — |
| Hi-Res Audio | Yes | — |
| Connectivity | ||
| Wireless | No | No |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 12 g | — |
| Colours | — | Silver, Grey |









