The most common and most sought after car speaker is 4 ”speakers. These round 4 -inch speakers fit into the car as well as the car and bring significantly more power to the sound. You will also find other inch sizes if needed, always from smaller 3.5 ”speakers stubborn 8 "to the speakers. Our range includes car speakers in 4 -inch sizes for several budgets and needs, as well as, of course, other options for improving sound.