Why is TUNE 115BT better than MDR-XB55AP?
- Charging time2 h vs 4 h2×
Why is MDR-XB55AP better than TUNE 115BT?
- Lowest frequency20 Hz vs 4 Hz5×
- Driver size8.6 mm vs 12 mm+40%
- Highest frequency20,000 Hz vs 24,000 Hz+20%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 8.6 mm | 12 mm |
| Lowest frequency | 20 Hz | 4 Hz |
| Highest frequency | 20,000 Hz | 24,000 Hz |
| Impedance | 16 Ω | 40 Ω |
| Sensitivity | 102 dB | 106 dB |
| Battery & charging | ||
| Battery life | 8 h | — |
| Charging time | 2 h | 4 h |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 4.2 | — |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | 19 g | — |
| Features | ||
| Hands-free calls | Yes | — |









