This audio amplifier circuit is based on the TDA1519 amplifier ic which can be used in audio applications which don’t need high output power .
The TDA1519 circuit can deliver 2x6 watts output power . TDA1519 is an integrated class-B dual output amplifier in a 9-lead single in-line (SIL) plastic medium power package is primarily developed for car radio applications.

Main features of this audio amplifier ic are : Requires very few external components ,Fixed gain , Good ripple rejection , Mute/stand-by switch , Thermally protected ,Reverse polarity safe .
This amplifier electronic circuit project needs to be powered from a 14.4 volt DC power supply .