Yarden VT-2 is a revolutionary vibrating transducer speaker that transforms any solid resonant surface into a powerful, high-quality speaker. The compact Yarden VT-2 can be discreetly attached to the surface or underside of any table, wall or door and utilizes vibration to emit sound evenly from that surface. Yarden VT-2 is safe to use on nearly any surface and eliminates the hassle of positioning conventional speakers around a room. The Yarden VT-2 includes a selectable 70V/100V line transformer for Hi or Lo-Z applications.