The Club series brings the ultimate JBL sound to more vehicles. Its discreet design ensures it will fit more vehicles, and the high sensitivity offers excellent performance even with factory systems that operate with low power consumption. The durable polypropylene cones with Plus One design deliver hard bass and long lifespan. The speakers offer wider and smoother high-frequency response, regardless of the output level. Starfish Tweeter Mounting Adapter and I-Mount Tweeter Mounting Kit are included for easy installation.