Behringer KM400 – 2-channel amplifier with ATR (Accelerated Transient Response) technology; power: 2x 190 watts at 4 ohms, 2x 120 watts at 8 ohms, 400 watts at 8 ohms bridged; Zero-attack limiter; ground lift; sensitivity; signal and clip LED; inputs: 2x XLR, 2x 6.3 mm TRS jack (female) and 2x RCA; short-circuit proof; outputs: speaker twist; material: steel; housing type: 2U rack height; weight: 7.8 kg