American Audio Vlp300 Amplifier 300 Watts Daul Fans Compact Design Front LED Meters Compact Design Front LED Meters Compact Design; Daul Fans 300 Watts power Daul Fans, Compact Design, Front LED Meters Output Power: 150W RMS Per Channel @ 4 Ohms, 1kHz, 0.1% THD / 100W RMS Per Channel @ 8 Ohms, 1kHz, 0.1% THD / (Bridge Mode, Mono) 300W RMS @ 8 Ohms, 1K Hz, 1% THD Total Harmonic Distortion: Less Than 0.1% (20Hz - 20kHz @ 8 Ohms) Frequency response: (+ or -01db, @rated output Power, 8 Ohms): 20Hz-20KHz Damping Factor @ 8 ohm: 260; Slew Rate: 15V per usec Impedance: 20 Ohms balanced / 10 Ohms unbalanced Cooling system: 2 individual fans High/low pass filter; Input sensitivity selector ; Ground lift Dimensions: 13-1/4"L x 19"W x 1-3/4"H