Definitive Technology was founded in Maryland in 1990 by a sound obsessed veteran of the loudspeaker industry and a group of brilliant audio engineers on a mission. Quickly, ‘Def Tech’, as they became affectionately known as, became one of the premium speaker brands in the United States. Soon, their speaker offering expanded from a core home theatre line to a full array of products designed for no-compromise sonic performance for every room and application. Over the years, the assortment has expanded to include Hi-Fi speakers, high performance subwoofers, architectural and built-in speakers, weatherproof outdoor sound, and most recently, streaming sound bars with HEOS Built-in and support for Dolby Atmos, DTS:X.

Def Tech earned their award-winning reputation by crafting loudspeakers of the highest performance and quality standards. These loudspeakers provide an unmatched, signature sound, renowned globally for their big, immersive sound field, ultra-wide dynamic range, crystal clear highs and thunderous bass. In short, speakers that deliver thrilling experiences to music and movie lovers like you, wherever you live, work or play.

Definitive Technology still design and engineer their speakers at the original Acoustic Research and Development (ARAD) facility in Owings Mills, Maryland, but today they’re part of a larger family: Sound United. With sister brands that include Boston Acoustics, Bowers & Wilkins, Classe, Denon, Marantz and Polk Audio, the product and engineering teams span the globe and include the brightest, most passionate and inspired minds in performance and luxury audio. They share knowledge and ideas and collaborate on a vision to bring joy to the world through sound.