The MA Pro Series amplifiers gives you absolute pure power that are capable of delivering superior performance for DJ and club use. Tremendous power ranging from 1300 watts to 5000 watts in 4 ohms bridge mode. MA Series comes with set of features includes full short circuit, open circuit, thermal, soft start, DC voltage, Sub Electronic and RF protection for your speakers to have full range continuous power. Check your output with the LED indicators (per channel) from Bridge, Parallel, Power, Clip and Protect. Complete Front 2 input attenuators Rear Ground Lift, Mode Selection, Compressor, Panel Controls. Efficient cooling feature of front-to-back with two variable low noise speed fans to prevent overheating. Specifications: Output Power 8 (ohms): 2 x 500W, Output Power 4 (ohms): 2 x 750W, Output Power 2 (ohms): 2 x 1000W, Output Power BRIDGE 8 (ohms): 1500W, Output Power BRIDGE 4 (ohms): 3000W, Frequency Response @ Half Power: 15Hz - 25KHz ( 0/-1dB), THD Noise at 1KHz Full Power: <0.03% IMD 60Hz & 7KHz, 4:1: <0.038%, Signal to Noise Ratio: >102dB, Slew Rate (Input Filter Limited): 40V/uS, Damping Factor 1KHz@8 ohm: >400:1, Input Sensitivity: Selectable (0.77V / 1.0V / 1.44V), Input Impedance: 10k ohm Balanced to ground, Input Connectors: Female XLR-3 & 6.35mm TRS Jack, Output Circuit Type: Class AB, Output Connectors: 4 Pole Speakon & Binding Post, Protection:Full short-circuit, Open circuit, Thermal, Soft-start, DC voltage, Sub/Ultrasonic,RF, LED Indicators (per channel): Bridge, Parallel, Power, Signal, Clip, Protect.