The QP 15 is a 15-Driver slim line SPEAKER BAR ideal for 50-Inch & up Flat Panel TVs, with all 3 front channels, left, center and right, in 1 sleek enclosure. Non-resonant, aircraft grade, die-cast aluminum construction means you can play the QP 15 SPEAKER BAR as loud as you wish with no vibration (resonance) from the cabinet. Pinnacle uses patented tweeters and an overload protection circuit to ensure superior sonic performance at any volume level. Pinnacle was the first company to develop the SPEAKER BAR concept and continues to stand by its innovative design with a stellar 10 year warranty, the industry's longest. 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 innovative designs, superior performance, build quality and great consumer value regardless of price point.