Definitive Technology is what obsession sounds like. Definitive Technology has been building beautifully designed, superior sounding home audio and home theater loudspeakers since 1990. Definitive Technology loudspeakers are among the most positively reviewed and honored high performance loudspeakers on the market. Definitive Technology is part of the Sound United family of consumer electronics brands. Audio/video specialty retailers throughout the United States and more than 40 countries around the world proudly sell Definitive Technology loudspeakers.