TA-03
| Brand | xDuoo |
| Function | Amplifier, Headphone (Tube amplifier) |
| Country | China |
| Dimensions | 14 × 22 × 9.5 cm (W × H × D) |
| Weight | 2,50kg |
| Frequency Response | 10Hz-20KHz(+-1dB) |
| Output Power | 500mW(300/600 Ω load), 300mW(150 Ω load) |
| Gain | 13dB |
| S/N | 110dB |
| THD+N | 0,1% (1KHz) |
| Suitable Headphone Impendance | 60 Ω - 600 Ω |