More from Amazon.com : http://www.amazon.com/gp/product/B0072HYSUW?tag=thefatkidin06-20 <br /> <br />Tectonic Elements TEAX32C30-4/B 32mm Balanced Exciter 4 Ohms <br /> <br />Special coupler ring <br />3M adhesive ring for secure and fast placement of coupler <br />High sound pressure levels and a rugged design
