1.Two Inputs, Two Outputs and Two Bass Outputs
2.Operating Voltage: 8V~ 30V
3.Amplitude-frequency Characteristic: 5Hz ~ 50KHz. Shown As the Chart
4.Phase Characteristic: 5Hz ~ 20KHz. Shown As the Chart
5.Harmonic Distortion: 0.003%
6.Anti-interference Ability (Common Mode Rejection): 90dB
7.S/N:  106dB
8.Moistureproof and Shockproof Design.
   Energy Conservation and Environmental Protection
9.Dimension: 90 x 22 x 68.5mm
10. 1 year warrenty