Audio Amplifier curcuit with Mosfet IRFZ44N Share Share What you need to build this Audio Amplifier curcuit - IRFZ44N - resistors 10K . - 16v 100uf capacitor - Wires. - speaker - headphone-jack - download circuit | http://j.gs/9TCK Follow Me https://www.facebook.com/Easyonee https://twitter.com/Eaasyone https://www.instagram.com/easyyone