Club coaxial and component speakers bring JBL pro sound to more vehicles. Their compact design means theyll fit into more vehicles than many of our competitors and their high sensitivity delivers outstanding performance even with modestly-powered factory systems. Carbon Fiber Woofer with Plus One architecture deliver hard-hitting bass and long performance life. Edge-driven silk dome tweeters deliver broader and smoother high frequency response never-harsh regardless of output level. Starfish Tweeter Mounting Adapter and I-Mount Tweeter Mounting Kit in component speaker system for easy installation.Carbon Fiber Woofer with Plus One Architecture for Ultimate Sound QualityPatented (US patent #7548631) Plus One cones provide more overall speaker-cone area than other speakers for the same size which bring the louder bass. While the high-end carbon fiber woofer material provide the accuracy and clear musical character.Edge-driven Silk Dome TweeterClub SQ speakers have edge-driven silk dome tweeter which delivers a broader and smoother high frequency response never-harsh regardless of output level than more commonly used w-domes.Adjustable Tweeter Output LevelThe Club SQ Speakers offer a tweeter output level control of 0dB or +3dB to optimize system linearity based on installation location.Incredibly Y40 Ferrite Magnet for Higher SensitivityThe Club SQ Speakers use the Y40 Ferrite Magnet which can bring higher sensitivity compared with the commonly Y30 Ferrite magnet.What's in the Box•Club 64SQ 6.5 Inch 2 Way Car Speakers - Pair•(2) Grilles•Foam Gasket •Installation Hardware•ManualSpecifications•Power Handling: 75W RMS 225W peak•Sensitivity (@ 2.83V): 93dB•Frequency Response: 48Hz 21kHz•Nominal Impedance: 3.0 ohms