BOSS Bass Driver BB-1X I am selling this because I purchased a new preamp. It works without any problems. As you can see in the photo of the unit's serial number, some of the paint came off when I removed the Velcro. The items placed on top of the box are the removed Velcro strips. In the 7th photo, there is a few millimeter scratch on the left side of the unit, in the middle. An AC adapter is not included. The box and instruction manual are included.