Pinnacle Speakers' custom designed 800 Watt rack mountable amplifier drives up to 4 Pinnacle Slim Sub 66 subwoofers. Designed in the USA. Family Owned and Operated. For over 30 years, Pinnacle Speakers has been synonymous with superior performance and value and is relied upon by thousands of professional custom home installers as their speaker of choice. Pinnacle products have been installed in millions of households and now their tradition of excellence is available directly to you. All Pinnacle speakers are designed in their state-of-the-art research facility in Massachusetts and most Pinnacle products are assembled at their factory in New York. Decades of Rave Reviews. Throughout the years Pinnacle speakers have been consistently recognized by the critical industry press for... Less