This part is a kind of semiconductor called TDA7560.

Function of this product has 4 x 51 W quad bridge car radio amplifier.

Manufacturers : ST Microelectronics

Image and pinout :

Some of the text within the PDF file :

® TDA7560 4 x 45W QUAD BRIDGE CAR RADIO AMPLIFIER PLUS HSD PRODUCT PREVIEW SUPERIOR OUTPUT POWER CAPABILITY: 4 x 50W/4Ω MAX. 4 x 45W/4Ω EIAJ 4 x 30W/4Ω @ 14.4V, 1KHz, 10% 4 x 80W/2Ω MAX. 4 x 77W/2Ω EIAJ 4 x 55W/2Ω @ 14.4V, 1KHz, 10% EXCELLENT 2Ω DRIVING CAPABILITY HI-FI CLASS DISTORTION LOW OUTPUT NOISE ST-BY FUNCTION MUTE FUNCTION AUTOMUTE AT MIN. SUPPLY VOLTAGE DETECTION LOW EXTERNAL COMPONENT COUNT: – INTERNALLY FIXED GAIN (26dB) – NO EXTERNAL COMPENSATION – NO BOOTSTRAP CAPACITORS ON BOARD 0.35A HIGH SIDE DRIVER PROTECTIONS: OUTPUT SHORT CIRCUIT TO GND, TO VS, ACROSS THE LOAD VERY INDUCTIVE LOADS OVERRATING CHIP TEMPERATURE WITH SOFT THERMAL LIMITER LOAD DUMP VOLTAGE BLOCK AND APPLICATION DIAGRAM Vcc1 Vcc2 MULTIPOWER BCD TECHNOLOGY MOSFET OUTPUT POWER STAGE FL [ ... ]

TDA7560 PDF Datasheet Download