The UTC TBA820M 8DIP is a monolithic integrated audio amplifier. It is designed for audio frequency class b amplifier. Features Wide operating supply voltage: Vcc=3~14V Medium output power POUT=1.2W at Vcc=9V,RL=8Ω, THD=10% Low quiescent circuit current: IQ=4mA(type) Good ripple rejection. Minimum number of external parts required.