A selection of simple and effective schemes.

To build it, you need only five parts:
1. Chip - TDA1558Q  
2.Condenser0.22uF 
3.0.33microfaradcapacitor-2pieces 4.Electrolyticcapacitor6800microfaradat16voltsTheIChasaratherhighoutputpowerandforitscoolingaradiatorisneeded.Youcanusetheradiatorfromtheprocessor.&Nbsp;Theentireassemblycanbemountedbymountingwithoutusingaprintedcircuitboard.First,thechipmustremovepins4,9and15.Theyarenotused.Thecountsoftheleadsgofromlefttoright,ifyouholditsconclusionstoyourselfandmarkup.Thengentlystraightenthepins.Next,bendthepins5,13and14up,allthesepinsareconnectedtothepowersupply.Thenextstepistopullthepins3,7and11down-thisisanegativesupply,or"ground".Afterthesemanipulations,screwthemicrocircuittotheheatsinkusingheatconductingpaste.Thepicturesshowinstallationfromdifferentangles,butIwillexplain.Conclusions1and2aresolderedtogether-thisistheinputoftherightchannel,a0.33microfaradcapacitormustbesolderedtothem.Thesameshouldbedonewithpins16and17.Thecommonwirefortheinputisaminuspoweror“ground.”&Nbsp;Toconclusions5,13and14solderwirepluspower.Thesamewireissolderedtotheplusofthe6800microfaradcapacitor.Bentdownpins3,7and11arealsosolderedtogetherwithawire,andthiswireissolderedtotheminusofa6800microfaradcapacitor.Thenfromthecapacitorthewiresgotothepowersupply.&Nbsp;Conclusions6and8aretheoutputoftherightchannel,6theoutputissolderedtotheplusofthespeaker,andoutput8totheminus. Pins10and12aretheoutputoftheleftchannel,pitch10issolderedtothespeakerplus,andoutput12totheminus. A0.22microfaradcapacitormustbesolderedparalleltothe6800microfaradcapacitorleads. Before you apply power, carefully check the correctness editing.

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