Technical Pro AX AMPLIFIER SERIES AX3000 3000 Watts Peak Power 2U Professional 2 Channel Power Amplifier, Black 3000 Watts peak power, 800 Watts @ 2 ohms, 550 Watts @ 4 ohms, 300 Watts @ 8 ohms Inputs: 1/4-Inch, RCA, mp3 (1/8-Inch), Outputs: Speak on, Banana binding post, Dual cooling speed fans, Iridescent blue LED meter, Separate input gain Frequency Response: 20hz-20KHz, Signal to Noise Ratio: 79dB, Input Impedance