Integrated Woofer/baffle Design Delivers Greater Low Frequency Response By Employing A 7"Woofer Where Competitive Models Of The Same Outer Size Employ 6 1/2"Woofers Glass Fiber Woofer Cone Is Light, Strong And Well Damped To Provide "best In Class"Bass Response 1"Fluid-cooled UltraSilk Soft-dome Tweeter Provides For Clear And Detailed High Frequency Response Proprietary Bridge-mounted Tweeter-adjustment Mechanism Focuses The High Frequency Sound In Any Direction Up To 20° Without Diffraction Magnetically Attached, Rust-resistant Grille Covers Install Quickly And Provide A Low Profile Look