TH212 commercial pro subwoofer is designed for any application that needs massive punch but light weight and easy portability. Interlocking skids allow the 212 to be stacked into multiples which produce stunning output and low frequency directivity. Removable covers allow 2 choices for the location of the acoustical output -depending on the installation orientation you choose. Waterproof drivers are standard on all 212's. Available in both Touring and Install versions - touring version comes with handles and wheels to make it easily transportable, install version has a variety of fly-points for permanent installations. A self-powered model is also available with a built in DSP.