It's simple really, if you want to stop your car battery from draining your amp, you need to turn off your speaker system when you're not using it. This will reduce the power drain on your battery, allowing it to last longer and keep your music sounding great. How to stop subwoofer from draining battery, Will a capacitor keep my battery from dying, Radio amp fuse draining battery, How to fix car stereo draining battery, Will 1000 watt amp drain battery, Remote wire draining battery, Will a 2000 watt amp drain battery, Stereo system draining car battery. View detail https://batteryasking.com/how-to-keep-amp-from-draining-battery-86483401/