Unit4.0 Spec
| Maximum output | 70mW+70mW(32Ω） |
| S/N ratio | 95dB or more |
| Distortion rate | 0.04%(30mW) |
| Frequency characteristics | 10Hz-20kHz |
| Adaptive impedance | 16Ω or higher |
| Capacity | 1580mAh/ Rechargeable Battery |
| OpAmp (2 types) | New Japan Radio MUSES8820E/Burr-Brown OPA2134 |
| Dimensions | Width: 63.40mm x Height: 127.75mm (main unit) x Depth: 23.00mm |
| Weight | 130g |
