Used a few times. The sound is really great. I'm selling it because I'm quitting playing musical instruments and decluttering. I'm selling it with the board. Velcro is attached to the back, but it can be removed. The box is also included. Darkglass Electronics ADAM (Aggressively Distorting Advanced Machine) Preamp for Bass Brand: OUR WINGS Style: For Bass Color: Green Item Weight: 1 pound Voltage: 9 volts Amperage: 300 milliamps The Aggressively Distorting Advanced Machine was born from a collaboration with Adam "Nolly" Getgood. It contains all of Nolly's tones, carefully crafted through years of meticulous testing and experience, in a single enclosure. A preamp that combines a compressor, distortion, 6-band EQ, IR, and more. XA13