CEDIA 2017: dARTS Digital Theater Features DP4000-IA Amplifier September 12, 2017 | Home / September 12, 2017 rave-video / CEDIA 2017: dARTS Digital Theater Features DP4000-IA Amplifier Look in: Cedia CEDIA 2017: dARTS Digital Theater Features DP4000-IA Amplifier