Zapco Z150S2 150W Car Audio AmplifierCondition:* New, Surplus Stock. No Bottom Cover, As Pictured. Additional Notes: * 2 x 75 Watt @ 4 Ohm (<0.05% THD)* 2 x 150 Watt @ 2 Ohm (<0.15% THD)* 1 x 300 Watt @ 4 Ohm bridged* S/N Ratio: 110dB* T.I.M.: 0.002%* Seperation: 65dB* Slew Rate: 50 V/uS* Damping Factor 300 @ 4 Ohms* Input Sensitivity: 0.25-2.5 volts* Power Requirements: 22 Amps, Max, @ 2 Ohm* Fuse Internal: 20 Amp* Minimum Load: 2 Ohms Nominal Stereo, 4 Ohms Nominal Mono* Idle Current: 0.85 Amp* Dimensions: 11.625" x 6" x 2.25"ZapcoZ150S2