下面是[音频助推器电路]的电路图

 

材料BOM清单：

P1 = 100K R1 = 47K R2 = 470K R3 = 10K R4 = 560R R5 = 270R C1 = 0.1uF-25v C2 = 3.3uF-25v C3 = 470uF-25V D1 = 5mm. Red Led B1 = 9v Battery J1 = RCA Audio Input Socket J2 = RCA Audio Output Socket S1 = On-Off Switch(：电路图)