SMSL SP400 Full Balanced THX Headphone Amplifier

SMSL SP400 Full Balanced THX Headphone Amplifier
 

Audio part:
Input method: balanced x1, unbalanced x1
Output mode: balanced earphone X1, unbalanced earphone X1, pre-balanced output X1

Output Power: 
Balanced headphones:
12Wx 2(16Ω)
6Wx2 (32Ω)
880mW x2 (300Ω)
440mW x2 (600Ω)

Unbalanced headphones:
6Wx2(16Ω)
3Wx2 (32Ω)
440mW x2 (300Ω)
220mW x2 (600Ω)

Signal to noise ratio: 133dB, A-Weighted
Residual noise: 1.9uV, A-Weighted
THD+N: -123dB, 0.00007% (1kHz, 32Ω)
THD+N: -117dB, 0.00013% (20-20kHz, 32Ω, -3dB)
THD: < -125dB, 0.00006%
Input impedance: 47kΩ
Output impedance: close to 0Ω
Frequency response: 0.1Hz-500kHz (-3dB)

Other:
Power supply voltage/power frequency: AC100-240V, 50-60 Hz
Energy consumption (EN60065): <40 w
Standby power: <0.1W
Size: 225X2 10X43mm(WxHxD)
Packing size: 354X276X80(mm)
Weight: 1330g