Yamaha P2500S Amplifier - 2x 390watts/4ohm, 2x 275watts/8ohm,2x 650watts/2ohm, 1x 780watts/8ohm (bridge), adjustable Lo-Cut and sub-out from 25 Hz-150Hz, XLR and jack inputs, Speakon, jack and binding post outputs. Dimensions: 19" x 2U. Weight: 14kg.