This unit was incorporated into a board that wasn't used much for about two years, but I'm selling it to organize my equipment. Velcro is attached to the back, and there are scratches on the sides. Please understand that this is a used item. Only the instruction manual is included. The BOSS/EQ-200 is a graphic equalizer equipped with two 10-band equalizers boasting high flexibility. The easy-to-see LCD display allows you to check the equalization settings immediately. In addition, the two EQs can be connected in parallel or series, and by inserting other effects, you can apply different EQ settings to the stages before and after those effects. This is a next-generation equalizer with a wide range of possibilities.