Ultimate Car Audio is a free Android application designed to provide car audio enthusiasts with the most accurate tools, calculators, and information right on their phones. This app features a variety of helpful tools including single/double subwoofer voice coil wiring, subwoofer cone area, amplifier power suggestions, and a lot more.

This app currently has some of the best car audio tools on Android. It is compatible with Android 5.1 and up and offers a comprehensive set of features that will help you achieve the perfect sound system for your car. The Ultimate Car Audio App is an excellent tool for anyone who is passionate about car audio and wants to ensure that their sound system is the best it can be.