Harley Benton HB-20R, compact electric guitar combo amplifier, 20 watt, 8" custom voiced speaker, TEC tube-emulating circut, instrument input, channel select (activate overdrive / boost channel), gain control, volume control overdrive channel, volume control clean channel, 3-band equalizer (treble, middle, bass), reverb control (spring type), headphone output, aux-input for play-along backing tracks from CD/MP3, line output, dimensions (HxWxD): 340 x 380 x 175 mm, weight: 7 kg.