JL Audio C1-690tx

Coaxial 3-Way Speaker System: 6 x 9-inch (150 x 230 mm) Woofer, 1.0-inch (25 mm) Aluminum Dome Tweeter, 0.75-inch (19 mm) Aluminum Dome Super TweeterC1 speakers deliver real substance and great audio performance in a format designed for easy fit behind factory grilles.To facilitate fit, spacer adaptor rings are included allowing the C1-690tx to be installed in bottom-mount applications.C1 woofer drivers benefit from proprietary FEA modeling and JL Audio's expertise in low-frequency driver design. This knowledge is used to create speakers that can play loudly, while maintaining a smooth, dynamic, low distortion sound. At the core of the C1-690tx is a proprietary, stamped, steel 6 x 9-inch (150 x 230 mm) oval frame and a DMA-optimized motor system. A mineral-filled, injection-molded polypropylene cone is suspended with a rubber surround on the front, and a carefully engineered flat Conex® spider at the top of the voice coil, to precisely control motion and prevent impact between the voic