Phase Technology, 6400 Youngerman Cir, Jacksonville, FL 32244, US

Established in 1955, United Speaker Systems is a vertically integrated speaker manufacturing company that offers a range of home entertainment speakers and speaker systems for the audio industry. It specializes in engineering high-definition speakers and components. The company has achieved its ISO 9001 certification from the International Organization for Standardization. United Speaker Systems develops a variety of audiophile and in-wall speakers. Its clients include Fisher, Yamaha, Sony and Pioneer. The company operates a 60,000-square-foot-facility that features administrative, warehousing, and computer-aided design and manufacturing capabilities. United Speaker Systems equipment includes woofer production, crossover, dome tweeter and final assembly lines, as well as a computer numerical control router.