SPECIFICATIONWork: Class DQuiescent Current: 50mAEfficiency: 90%Rated output power: 2 * 50W + 100WFrequency response: 20Hz to 20KHzOperating voltage: DC18V to DC24VMaximum output current: 4APCB size: 120 * 80MMPotentiometer function:From left to right switch1. The volume of the left and righ...