1 Watt Stereo Audio Amplifier based IC KA2209

1 Watt Stereo Audio Amplifier based IC KA2209
Above schematic diagram is 1 Watt stereo audio amplifier based IC KA2209 can be used for small electronic device such as radio, smartphone, tablets or other gadgets which require little sound amplification :D This is the text book circuit for this IC in stereo mode. It is ideal for battery powered operation. Power output depends critically on speaker resistance & supply voltage. At 3V into 4 ohm speakers the power is 0.1W. At 6V into 4 ohm speakers it