Why is RS 275 better than MDR-M1?
- Weight195 g vs 216 g+11%
Why is MDR-M1 better than RS 275?
- Highest frequency20,000 Hz vs 80,000 Hz4×
- Lowest frequency6 Hz vs 5 Hz+20%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | On-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 40 mm |
| Lowest frequency | 6 Hz | 5 Hz |
| Highest frequency | 20,000 Hz | 80,000 Hz |
| Impedance | — | 50 Ω |
| Sensitivity | 106 dB | 102 dB |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 50 h | — |
| Charging time | 2 h | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | aptX Adaptive, AAC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| LE Audio | Yes | — |
| Auracast | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | 195 g | 216 g |
| Foldable | Yes | — |
| Colours | Black | Black |
| Features | ||
| Hands-free calls | Yes | — |
