Great for Professional DJs and entertainers who demand power on a limited budget. Every DJ Series amplifier provides excellent performance for all speakers. Reliable features such as Input Gain, Ground Lift Switch to eliminate hum, Power LEDs, Channel 1 and 2 level, LED-s indicator, stereo, parallel Mono and Bridge modes, clip indicator and each DJ Series amplifier also comes with dual speed DC fan for efficient cooling and prevents overheating. Features Input Gain ( dB) Power LEDs Signal Activity LEDs ( Signal) Overload LEDs ( Clip) Fault LEDs ( Fault) Power Switch Channel 1 and 2 Level LED Indicator Cannon and Input Jack Connector Mode Switch Ground Lift Switch Binding Post Outputs Power Select 110V-120V or 220V-240V Power Supply Power Input IEC Power AC Fan Grill Two 2 Speed DC Fans Power Handling: 2 x 250 Watts 8 Ohms 2 x 500 Watts 4 Ohms Momentary Peak Output 2000 Watts 8 Ohm Bridge Specifications Input Impedance Balance: 20K ohms Non-Balance 10K ohms Frequency Response: +0, -0.2 dB, 20Hz to 20KHz Frequency: 50/60 Hz Input Level +4dB Input Voltage: 115/230V AC