PYLE-PRO PTA3000 PROFESSIONAL POWER AMPLIFIER (3000 WATT WITH BUILT-IN CROSSOVER) FEATURES 2 CHANNELS ; SPEAKON CONNECTORS;DUAL BINDING POST SPEAKER OUTPUT;2-WAY CROSSOVER;LOW CUT SWITCH;CROSSOVER SWITCH (150HZ X OVER);THROUGH/LOW-OUT JACKS ;HIGH-OUT JACKS;3 SPEAKON CONNECTORS (CH A, CH B & BRIDGE) ;SUB-SONIC (LOW CUT) FILTER ;2-SPEED FAN;2 OHM LOAD PER CHANNEL;4 OHM IN BRIDGE MODE;COMBO INPUTS CONNECTOR XLR/1/4 PHONE JACK CONNECTOR;THROUGH/LOW OUT & HIGH OUT 1/4 JACKS;110/220V SWITCHABLE ;2X5 LED INPUT LEVEL INDICATOR ;OVERLOAD & PROTECTION INDICATOR ;SIGNAL/NOISE RATIO: = 102DB ;DISTORTION: = 1.0% ;FREQUENCY RESPONSE: 20HZ-20KHZ, LESS THAN 0.5DB ; INPUT IMPEDANCE: BALANCE 20KHZ ; INPUT LEVEL: +4DB ; TOTAL POWER 3000W