Harley Benton GPA-400, 19" stereo guitar solid state power amp, 2 x 200 watts into 4 ohms, 2 x 100 watts into 8 ohms, 2 x 50 watts into 16 ohms, bridged 400 watts into 8 ohms or 200 watts into 16 ohms, leight weight Class-D technology with switchmode power supply, frequency response: 20-20KHz, input sensitivity: 335mV, damping factor: >100, S/N ratio: >95dB, THD: <0.5%, power consumption: 17W (standby), 19" width, 1 u high, dimensions whd: 482 x 250 44 mm, weight: 3 kg