JL Audio C1690X

6 x 9-inch (150 x 230 mm) Coaxial Speaker System Coaxial Speaker System: 6 x 9-inch (150 x 230 mm) Woofer, 1.0-inch (25 mm) Aluminum Dome TweeterC1 speakers deliver real substance and great audio performance in a format designed for easy fit behind factory grilles.To facilitate fit, spaceradaptor rings are included allowing the C1-690x to be installed in bottom-mount applications.C1 woofer drivers benefit from proprietary FEA modeling and JL Audios expertise in low-frequency driver design. Th...