Harley Benton GPA-100, Compact power amplifier for electric guitar, Power amplifier in pedalboard format, Designed for direct use with a preamp or effect pedal, Power: 100 W into 8 ohms or 190 watts into 4 ohms, Class-D technology, Controls for master volume, bass, mid and treble, LED peak indicator, LED signal indicator, LED power-on indicator, Input: 6.3 mm jack, Loudspeaker output (4 - 16 Ohm): 6.3 mm jack plug, Power supply: AC 220-240 V, Dimensions: 162 x 100 x 64 mm, Weight: 0.8 kg@+*Note:* A preamp is required for operation