Compact MUSIC MAN MINI amplifier with various controls for sound quality adjustment. - Brand: MUSIC MAN - Model Name: MINI - Controls: INPUT, GAIN, VOLUME, TREBLE, MIDDLE, BASS - Color: Black/Silver - Size: Height 21.5cm, Width 18.5cm, Depth 8cm - Allows for a wide range of sound creation, can be distorted quite a bit, with a cheap transistor-like distortion tendency. The speaker is large, so it has a considerable volume. Compared to other ultra-compact amplifiers, the sound range feels wider. It's a mini amp, but it has a relatively large presence! Discontinued model. - Battery powered (four size-C batteries, 9-volt power adapter OK). Operation has been confirmed. No scratchiness. Accessories: Main unit, power adapter. This is a used item, so your understanding is appreciated. Thank you very much. Thank you for viewing.