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STK417-100 - (STK417-000 Series) 2-Channel High Effiency AF Power Amplifier 50W x 2 - 100W X 2
STK433-130-E - Thick-Film Hybrid IC 2-channel class AB audio power IC 150W+150W
LA5744 - Monolithic Linear IC Separately-Excited Step-Down Switching Regulator
STK417-130 - (STK417-000 Series) 2-Channel High Effiency AF Power Amplifier 50W x 2 - 100W X 2
STK433-100-E - Thick-Film Hybrid IC 2-channel class AB audio power IC 100W100W