STK4130
STK Audio Power Amplifier (Sanyo Semicon Device)
STK4130MK2
(STK4100MK2 Series) STK Audio Power Amplifier (Sanyo Semicon Device)
STK4130MK5
(STK4100MK5 Series) STK Audio Power Amplifier (Sanyo Semicon Device)
STK4131
2-CHANNEL AF POWER AMP (ETC)
STK4131II
2-CHANNEL AF POWER AMP (Sanyo)
STK4131V
AF Power Amplifier (Sanyo Semicon Device)
STK4132II
2ch AF Power Amplifier (Sanyo Semicon Device)
STK4132P
2ch AF Power Amplifier (Inchange Semiconductor)
STK4133II
STK4133II (ETC)
STK4100MK5
(STK4100MK5 Series) STK Audio Power Amplifier (Sanyo Semicon Device)