POWIRAUDIO

Electrical and electronic circuits, integrated circuits, power transistors, packages in the nature of housings especially adapted for semiconductor devices, semiconductor devices, namely, semiconductor devices for audio applications and semiconductor devices for audio amplifiers, and power devices in the nature of buck converters, DC-DC converters, AC-DC converters, DC-AC converters, AC-AC converters, rectifiers, power factor conversion circuits, full-bridge circuits and half-bridge circuits