Experience more detail and punch with these KICKER 4-inch coaxial car speakers. The low-protrusion tweeter delivers high notes with control and clarity for high-quality output, while the UV-treated polyfoam build withstands heavy use without compromising performance. These KICKER 4-inch coaxial car speakers feature a polypropylene woofer to add bass notes for well-balanced sound.Geek Squad Installation RecommendedVisit your local Best Buy store for more information. | Kicker | | CS Series 4" 2-Way Car Speakers with Polypropylene Cones (Pair | Yellow/Black | Best Buy