HAP-03II OTL Headphone Amplifier
| Output Resistance | 32 to 600ohm |
| R.M.S. Power | 25mW at 600ohm and 3.5mW at 32ohm |
| Frequency Response | 15Hz to 65KHz (600ohm) |
| Harmonic Distortion | less than 1% |
| Sensitivity | 400mV (600ohm) |
| Tube Complement | 1 x 12AU7, 1 x 6X4, 2 x 6DJ8 |
| S/N Ratio | -85dB |
| Power Consumption | 27W |
| Dimension(W x D x H) | 110 x 130 x 150mm |
| Weight | 3.5kg (total) |
| Chassis Finish | Aluminun |
| Remarks | RCA Socket, 6.3mm Phone jack, Separate power supply |