This part is a kind of semiconductor called TDA2822M.
Function of this product has DUAL LOW VOLTAGE POWER AMPLIFIER.
Manufacturers : UTC
Image and pinout :

Some of the text within the PDF file :
UTC TDA2822M LINEAR INTEGRATED CIRCUIT DUAL LOW VOLTAGE POWER AMPLIFIER DESCRIPTION The UTC TDA2822M is a monolithic integrated audio amplifier in a 8-Pin plastic dual in line package. It is designed for portable cassette players and radios. SOP-8 FEATURES *Wide operating supply voltage:Vcc=1.8V- 12V. *Low crossover distortion. *Low quiescent circuit current. *Bridge/stereo configuration. DIP-8 PIN CONFIGURATIONS OUTPUT 1 Vcc OUTPUT 2 GND 1 2 3 4 8 7 6 5 NF 1 INPUT 1 INPUT 2 NF 2 BLOCK DIAGRAM VCC 2 INPUT1 7 1 OUTPUT1 NP1 8 INPUT2 NP2 6 3 5 OUTPUT2 4 GND UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R107-014,C UTC TDA2822M LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER Supply Voltage Output Peak Current Power Dissipation Operating Te [ ... ]
TDA2822M PDF Datasheet Download
