They have a hole in the back for some thumping and a little switch at the back to for a Bass Booster.īoth pairs have some scratches on the sides but nothing serious. Comes with the power chord, red+white cable that you plug into ipod/computer, and the left+right connection wire. Selling 2 pairs of M-Audio Studio Pro 3 Desktop Audio Monitors. No shipping outside of the lower 48 states.