Yamaha PX8, Digital power amplifier, Power: 2x 1050 W / 4 Ohm, 2x 800 W / 8 Ohm, 2x 600W / 2 Ohm, Speaker presets provide an optimum loudspeaker performance, DSP Functions, Includes D-contour processing, Input: XLR + jack, Outputs: Speaker twist, jack, binding post, Dimensions: 480 x 88 x 388 mm, Design: 19"" / 2 U, Weight: 7.2 kg