Rezistory: 

R1, R21, R3, R23 – 22kOhm 

R2, R22 – 680Ohm 

R4, R24 – 4,7Ohm 

Kondenzátory: 

C1, C21 – 2,2uF/ 25V 

C2, C22 – 22uF/ 16V 

C3, C4, C23, C24, C7, C27 – 100nF/ ker. 

C5, C6, C25, C26 – 100uF/ 25V 

Integrované obvody: 

IO1, IO21 – TDA 2030, TDA2040, TDA2050