Audio
| Frequency range |
20 - 20000 Hz |
| Total Harmonic Distortion (THD) |
0.004% |
| Output impedance |
0.2 Ω |
| Channel separation |
0.3 dB |
Battery
| Battery life |
16 h |
| Charging time |
4 h |
Bass Boost, ALPS Potentiometer, 3.5 mm stereo Jack, 92g, black
FiiO A3 Portable Headphone Amplifier