Why is IE 900 better than MDR-XB55AP?
- Highest frequency48,000 Hz vs 24,000 Hz2×
Why is MDR-XB55AP better than IE 900?
- Driver size7 mm vs 12 mm+71%
- Lowest frequency5 Hz vs 4 Hz+25%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 7 mm | 12 mm |
| Number of drivers | 1 | — |
| Lowest frequency | 5 Hz | 4 Hz |
| Highest frequency | 48,000 Hz | 24,000 Hz |
| Impedance | 16 Ω | 40 Ω |
| Sensitivity | 123 dB | 106 dB |
| Battery & charging | ||
| Charging time | — | 4 h |
| Connectivity | ||
| Wireless | No | No |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 4 g | — |
| Colours | Silver | — |
