This 2-Channel Rack-Mountable Power Amplifier comes with 3000 Watt total output power. Additional features include SD Memory Card and USB Flash Drive Readers, LCD Display, 3.5mm AUX Input Jack for connecting external devices, Overload and Protection Indicators, Independent Channel Gain Controls, Two-Speed Cooling fan and more. Includes 3 Speakon Connectors (Channel A, Channel B & Brdige) and Combo Input Connector: XLR ?'' Phone Jack Connector, High-Out Jack, Thru/Low-Out Jack, Low-Cut Switch, Sub-Sonic Filter and Dual Binding Post Speaker Output. 110/220 Volt Switchable.