The digital class-D power amplifier is of switching power technology, which features of minimum power consumption and much higher efficiency up to 85%, more over it helps to save installation rack...
The digital class-D power amplifier is of switching power technology, which features of minimum power consumption and much higher efficiency up to 85%, more over it helps to save installation rack...
The digital class-D power amplifier is of switching power technology, which features of minimum power consumption and much higher efficiency up to 85%, moreover it helps to save installation rack...
EVAC system is both PA system and voice alarm system. The system Integrated with requirements of EN60849、BS5839/8 and EN54-16 evacuate standard. Usually used in systems which needs voice evacuation or...
