A versatile bass effects pedal. - Brand: Hartke - Model: BASS ATTACK 2 - Power: DC 9V - Controls: Drive, Mix, Treble, Level, Contour, Amount - Outputs: Direct Out, Parallel Out Thank you for viewing. I used this pedal a few times and then left it unused for a while. I have confirmed that it is working properly. This is a used item. No box. No claims, no returns, please.