This part is a kind of semiconductor called TDA7379.

Function of this product has Audio Power Amplifier.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

TDA7379 4 X 13 - 2 X 38W AUDIO POWER AMPLIFIER 2 X 13 + 1 X 38W AUDIO POWER AMPLIFIER PRODUCT PREVIEW HIGH OUTPUT POWER CAPABILITY 2 x 38W/4Ω @18V, 1KHz, 10% 4 x 11W/4Ω @18V, 1KHz, 10% 2 x 20W/8Ω @18V; 1KHz, 10% 4 x 13W/2Ω @15V, 1KHz, 10% 2 x 34W/8Ω @ 22V, 1kHz, 10% ■ MINIMUM EXTERNAL COMPONENTS COUNT: – NO BOOTSTRAP CAPACITORS – NO BOUCHEROT CELLS – INTERNALLY FIXED GAIN (26dB BTL) ■ ST-BY FUNCTION (CMOS COMPATIBLE) ■ NO AUDIBLE POP DURING ST-BY OPERATIONS ■ DIAGNOSTIC FACILITIES – CLIP DETECTOR – OUT TO GND SHORT – OUT TO VS SHORT – SOFT SHORT AT TURN-ON – THERMAL SHUTDOWN PROXIMITY Protections: ■ ■ Multiwatt15 (Vertical) ORDERING NUMBER: TDA7379 ■ ■ ■ ■ ■ OUPUT AC/DC SHORT CIRCUIT – TO GND – TO VS – ACROSS T [ ... ]

TDA7379 PDF Datasheet Download