if your laptop internal speaker sound very low then dont b upset here is a simple audio amplifier using IC 4440 gives up to 40W of power which is amazing for normal use .... i used 4ohm 40w sub-woofer but this IC can also give up to 100W with some modifications... i also attach a circuit diagram with components detail so if some 1 is interested then i recommend u to must try it...it cost very less. And it also a perfect match with mobile phone , make your party super by playing on mobile.
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