2-Way Component System: 5.25-inch (130 mm) Woofer, 0.75-inch (19 mm) Silk Dome Tweeter. The smoothness and transparency of a high-end silk dome tweeter combines with top-flight component woofer performance to create a loudspeaker system with exceptional refinement and dynamic capability. The C5-525 system features 5.25-inch (130 mm) component woofers with Kurt Müller cones and suspensions and die-cast alloy baskets. The woofer design benefits from JL Audio's vast woofer design experience and advanced modeling systems. The C5 component tweeters are built with 0.75-inch silk dome diaphragms that deliver smooth, extended response, on and off axis. Flush-mounting and surface-mounting fixtures are included to fit a wide variety of installation needs. The flush-mount fixtures feature our RSR (Ratcheting Swivel Rotation) mechanism to allow precise tweeter aiming after installation.