Setting up a dual battery setup for car audio the right way
If you've spent more than five minutes browsing car audio forums, you've definitely seen someone mention a dual battery setup for car audio as the cure for all their power problems. It's one of those milestones in a car build where you stop just "installing some speakers" and start building a real system. But why do people actually do it? Is it just for show, or does it actually stop your headlights from flickering like a haunted house every time the bass hits? ...