Axxent AX-4240TS, 2 U Amplifier, 4 x 240 Watt / 50/70/100 V, 4 x 240 Watt / 4 Ohm, 4 x 170 watts / 8 ohms, 2 x 400 Watt / 8 Ohm (bridged), Inputs: 4 x balanced XLR, Outputs: Euroblock (50/70/100 V) or binding posts (low impedance), An automatically controlled fan, Switched-mode power supply, Dimensions (W x H x D): 483 x 88 x 387 mm, Weight: 15.2 kg