DEI Holdings

DEI Holdings, Inc. is the parent company of some of the most respected brands in the consumer electronics industry. DEI Holdings is the

DEI Holdings, Inc. is the parent company of some of the most respected brands in the consumer electronics industry. DEI Holdings is the largest designer and marketer in North America of premium home theater loudspeakers (sold under the Polk Audio and Definitive Technology brand names), and consumer-branded vehicle security and remote start systems (sold under ViperÂ, CliffordÂ, PythonÂ, Autostart and other brand names).