I am selling the Ex-pro 31 volt SOLO BOOSTER guitar effects pedal. ・There are some minor imperfections, but there are no major noticeable scratches or stains, and it is in good condition for musical instrument equipment. ・In addition to the main unit, a cosmetic box is included. ・There is no noise or crackling. There are no other functional problems. ・It has been stored in a pet-free and smoke-free environment. <Product Overview> *Quoted from Amazon product information. A booster pedal that achieves a wide dynamic range and low noise. The appeal is its faithful boost to the original sound, without using an op-amp. Equipped with Bass and Treble controls, it can also be used as an equalizer. - Model Name: 31 volt SOLO BOOSTER - Brand: Ex-pro - Controls: BASS, TREBLE, OUT LEVEL - Output Terminals: OUT - Appearance: White body - Power Supply: DC 9V