19'' Rack 4500 Watts Professional DJ Power Amplifier: "2250 Watts x 2 Power Amplifier Dual Output Level Controls and Illumination Protection Indicator Power On/Off Switch Stereo/Mono Selector Stereo or idged Power Into 4 or 8 Ohms Dual RCA Combo Inputs Blue Color LED Display Ground Lift Switch AC Accessory Inlet Heavy Duty Fan Cooled Aluminum Heatsink 110/220 Voltage Selector Dimensions: 3 15/32"" H x 19"" W x 10 11/16"" D Weight 20.28 LBS"