TIC Corporation designs and manufactures some of the most tried, tested and proven exterior ground speaker available. Our renowned Terra-FormsÒ series of exterior simulated stone speakers has the latest model TFS12. This unique speaker was designed to provide high performance and aesthetically pleasing beauty in an exterior speaker system. Used as a single left or right speaker or as astand alone Stereo 2-channel rock speaker system. Available in Canyon (CN), Slate (SL) or White Granite (WG) realistic natural stone finishes to blend beautifully with any exterior garden setting. From the worlds most famous theme parks toyour backyard. The best value for money exterior speakers available just got a whole lot Better!