HPA-350 & HPA-450 series digital audio power amplifier (hereinafter referred to as “PA”) adopts the high efficiency class D power amplifier and switching mode power supply technology, the efficiency under conventional conditions is more than 80%.
PA adopts the active power factor correction technology, can adapt to all the global supply network, and plug & play anywhere; the electric energy can be gotten from the supply network stably and evenly, thereby minimizing the interference of the supply network, and improve the utilization efficiency.







