Down4Sound car audio batteries and 500 amp isolator lineup

Car Audio Batteries: AGM vs Lithium, Sizing, and Install

Your amplifier can only make power if the voltage stays up. A stock battery is built to start the engine and run the factory electronics. It was never meant to feed a 2,000 watt sub amp pulling 200 amps on every bass hit. When voltage sags, the amp clips, the lights...

What Are Car Audio Amplifiers?

What Are Car Audio Amplifiers?

Introduction to Car Audio Amplifier What is a Car Audio Amplifier? A car audio amplifier is an electronic device that takes a low-level audio signal from a car’s head unit (or other audio source) and increases its power to drive speakers and  or subs subwoofers. This...

Who are the Demo Demons?

Who are the Demo Demons?

Welcome to the elite echelon of car audio culture, where the “Demo Demon's” stand as the pinnacle of performance and passion. As the highest order in the comp-to-demo sponsored division, we represent the zenith of being a team in the truest sense of the word here at...