QSC RMX 2450a, Power Amplifier, Size: 19""/ 2 HE, 40 cm Housing depth, 2x 800 W/ 4 Ohm, 2x 500 W/ 8 Ohm, 2x 1200 W/ 2 Ohm, 1x 2400 W/ 4 Ohm bridge, 2 Ohm compatible, Symmetrical XLR/ jack in, Monoparallel mode, Speaker twist and binding post outputs, Switchable and controllable HP filter, Switchable limiter, Gnd lift, Protections, Quiet fan, Weight: 20.5 kg, 3 Years warranty