MB Quart ONX157T 2-Way Coaxial Speaker System, 5 x 7-Inch Piano black 30mm WideShere tweeter assembly Multiple tweeter mounting options Crossover features selectable 0dB, -3dB, and -6dB control Piano black polypropylene cone Rugged stamped steel chassis 5 x 7 2-WAY COAXIAL SPEAKER SYSTEM Black Onyx Poly Cone Widesphere 30 mm Tweeter No Grille