Yamaha PX5, Digital Amplifier, 2x 800W / 4 Ohms, 2x 500W / 8 Ohms, 2x 500watts/2ohm, 1x 800W 8 thomann Ohms bridge,1x 1400W 4 Ohms, Speaker presets that allow you to get the best possible performance from Yamaha speakers,A wide variety of DSP functions, including D-CONTOUR processing, XLR/jack inputs, Speaker Twist/jack/binding post outputs. Dimensions: 480 mm x 88 mm x 388 mm 19"/2U, thomann Weight 6,9 Kg