Solid Drive® is the solution for invisible sound, providing a hidden sound source for in-wall, in-ceiling, surface mount, and glass applications. The patented technology at the heart of SolidDrive® transforms nearly any rigid or semi-rigid surface (wood, sheetrock, glass, metal and more) into a sound source. The powerful SolidDrive directly transfers acoustic energy to the surface it’s mounted to, creating a large and dynamic sound field.