100% Brand new,never used Item"s color might be different from the picture because of the aberration. Bass guitar tone controls for active pickups Bass/treble,master volume Bass:±12dB at 85Hz Treble:±12dB at 7KHz Output jack Kindly reminding:the wiring diagram is not included,many customers have difficluty in installing the Circuit,please double check if you could install it before you buy Package Includes: 1 set of 2 band bass pickup preamp circuit (battery is not included )