... matched parameters of Bi-amp. PA, P series Bi-amp and DP series processors... Power Pro Amplifier PA seriers 4CH ... parameters of Bi-amp. PA, P series Bi-amp and DP series processors combine together as the perfect Bi- ... CircuitsSoft-start,inrush-current limitation,temperature monitoring of heat-sinks and transformer,output short protection,output DC protection,output over current protection,mains fuses ...