Behringer A 500 Convection Cooled Studio Amp - 2x 185 Watt RMS @ 4 Ohms, 2x 125 Watt RMS@ 8 Ohms, limiter, Bridged Mono 375W RMS 8 Ohm,2U 19" rack, jack, female XLR and RCA inputs, jack and binding post outputs.Class AB, Dimensions: 482.6 x 257.5 x 101.6mm (HxWxD); weight: 8.4kg.