This product sells new Q.CP.Pseries power amplifier professional quality,and cheaper price and obtains design and excellent sound quality and quality liability with adopting all-balanced super mobile design and excellent third class circult design.This make the products the first-chosen of project-fixed installationloud speaker system.All-balanced super mobile technology with good sound performance when heavy load drive.Structure design with heavy rack and light board has good quake-resistance,solid low trouble.Low noise voo bit,unweigted.Multi-folded and comprehension protection circult include DC(direct current),over hot auto protection,this makes amplifier statle.Has heat-dissipating appliance in power amplifier tube great power adapts double-speed,fan auto cut down temperature inside improve libility of sysem.