Car Subwoofer Amplifier with STK IC

Car Subwoofer Amplifier with STK IC
This is a commonly used audio power amplifier can be used as car subwoofer amplifier since this circuit uses asymmetrical power supply to work. 24V lead acid battery (car accumulator) should be great for this subwoofer amplifier. Simple design, low cost and easy to build are the advantages of this amplifier circuit which capable to deliver about 20W power audio output, or course it's enough for the "room" of cars. Take a note that heatsink is required to prevent