QSC PLX2502, switch mode amplfier, 19"/2units, 2x 750W/4 Ohm, 2x 450W/8 Ohm, 2x 1250W/2 Ohm, 20 - 20.000 Hz, damping factor (8 Ohm) > 500, sym. XLR/Jack-In, Stereo-, Parallel- or bridge mode, Speakon and Binding-Post Outputs, switchable Lowcut Filter 33 Hz, per channel switchalbe Subwooferfilter 100 Hz (Low, High or Fullrange), switchable Limiter, all Protections, low noise cooling system, dimensions: 48,3 x 8,9 x 35,3 cm, weight 9,5 kg! 3 years warranty