The group's principle activity is to develop digital amplifier IC. The group’s D2Audio SoundSuite provides suites of audio features including WideSound(TM), AudioAlign(TM), Digital EQ(TM) and DeepBase(TM). Specific customers served by the group include Marantz, Control 4, Phasetech, BenQ, Olevia, Kolin and Geneva. The group operates from United States.