This part is a kind of semiconductor called TDA2010.

Function of this product has 12W Hi-Fi Audio Amplifier.

Manufacturers : SGS-Ates

Image and pinout :

Some of the text within the PDF file :

The TDA2010 is a monolithic integrated operational amplifier in a 14-lead quad in-line plastics package, inteded for use as a low frequency class B power amplifiers. [ ... ]

TDA2010 PDF Datasheet Download