The SX-1200 is an efficient class AB amplifier that offers ease of operation and plenty of available power to effectively drive a moderate sized PA, monitor fills, or fixed installation system.FEATURES:[ Professional Class AB Power Amplifier[ 300 Watts per side @ 8 Ohms[ 450 Watts per side @ 4 Ohms[ Dual Variable-speed Fan Cooling System [ Signal, Peak, and Protection Circuit Indicators[ 5-way Binding Post and Speakon Speaker Outputs [ XLR and TRS Input Connections[ Dual Rack Space Design ";