Earthquake Sound CP8 Couch Potato Slim 8-Inch Subwoofer (Black Laminate, Single) The item is non-returnable Slim down firing ported design - only 7 inch tall Built-in 300 Watts Max digital amplifier RCA and High Level Inputs with a crossed High Level Output 2010 Excite Award Winner and 2010 International CES Innovations Design & Engineering Showcase Honoree