![]() Hence in this article, we will learn how to build a High-Power Stereo Audio Amplifier using the LS4440 Audio Amplifier IC. ![]() The circuit will have two LS4440 amplifiers ICs and will be able to drive two 20W Speakers (20W+20W) with volume, bass and treble control. Also, the audio input for our amplifier board can either be provided directly from an audio jack or wirelessly using Bluetooth. We have previously built a lot of Audio Amplifier circuits ranging from small 10W amplifiers to heavy 100W Power amplifier using different classes of the Power amplifier to suit various applications. You can also check them out if your requirement is different. ![]() LA4440 ICīefore starting to build this amplifier, let's understand more about the LA4440 Power Amplifier IC to know about its technical specifications so that we can design our amplifier efficiently. As shown below the LA4440 is a 14-pin Linear Audio Amplifier IC developed by SANYO. The IC can be used as a mono audio amplifier or as a stereo dual-channel audio amplifier. It has dual enabling modes, namely the stereo mode, and bridge mode.
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