Plus One Woofer Cone Architecture - Patented (US patent #7,548,631) Plus One cones provide more overall speaker-cone area than other speakers for the same size, resulting in higher sensitivity, increased low-frequency output and greater musical character.
Edge-driven Silk Dome Tweeter - The Club 422F, Club 522F, Club 622, Club 8622F, Club 9632 feature a full, 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 Level - The Club 622, Club 602C and Club 602CTP component systems offer a tweeter output level control of 0dB or +3dB to optimize system linearity based on installation location.
Acoustically Damped, UV-Resistant Polypropylene Cone - Every Club speaker’s woofer cone is designed to deliver clean, non-resonant sound quality, while standing up to the demanding heat and humidity of the car environment.