Harley Benton GPA-400, 19 ""Guitar Power Amplifier, Lightweight Class-D technology with switch-mode power supply, 2x 200 W @ 4 Ohm, 2x 100 W @ 8 Ohm, 2x 50 W @ 16 Ohm, Bridged 400 W @ 8 Ohm and 200 W @ 16 Ohm, Frequency range: 20 Hz - 20 kHz, Input sensitivity: 335 mV, Damping factor: > 80, Signal- noise ratio: > 90 dB, Total harmonic distortion (thd): < 0.15%, Power consumption: 18 W (standby current), Dimensions (W x D x H): 482 x 250 x 44 mm, Format: 19""/ 1 HE, Weight: 3 kg