The above is a stereo amplifier circuit based on IC STK4191 with 2 X 50Watt output power 8 ohm impedance. And besides that you can use some of the IC can also be applied in this series include the STK4101, 4111, 4121, 5131, 4141, 4151, 5161, 4171, 4181, and 4191. Required supply voltage from 12 Volt to 35 Volt DC.Part List :
R1 = 22K
R2 = 22K
R3 = 560R
R4 = 56K
R5 = 1K
R6 = 1K
R7 = 100R
R8 = 2K
R9 = 2K
R10 = 4.7R
R11 = 2K2
R12 = 2K2
R13 = 4.7R
R14 = 100R
R15 = 56K
R16 = 560R
C1 = 0.1uF
C2 = 0.1uF
C3 = 100uF
C4 = 100uF
C5 = 100uF
C6 = 0.1uF
C7 = 47uF
C8 = 47uF
C9 = 0.1uF
C10 = 100uF
C11 = 100uF
U1 = STK4191