You need a battery designed for car audio. These are the best batteries for car audio use, letting you thump harder, longer. Optima Batteries' Redtops are designed to start and run your car ...

creating the sounds we appreciate when we listen to music or talk radio while driving. Despite their varying sizes and forms, the best car speakers are distinguished by their outstanding sound ...

A Bluetooth transmitter lets you play music from your devices in an older car, and usually adds USB charging, too. Photo credit: David Traver Adolphus / AutoGuide.com. If you’re looking for a ...