Pyle OPTI8HPRO4 Opti-Drive Pro 8-Inch High Power 4 Ohm Mid-Bass, Compression Horn Tweeter Full Range Speaker, Set of 1 High Quality Black Paper Cone - Accordion Cloth Surround with Resin Coated 1.5" High Temperature CCAW Voice Coil - 90 Oz Super Strontium Ferrite Magnet Structure 800 Watts RMS / 1600 Watts Peak Power - 1.5" Horn Loaded Compression Tweeter 4 Ohm Impedance - Includes Custom Molded Grille, & Mounting Template Overall Diameter: 8.66" - Cutout Diameter: 7.09" - Mounting Depth: 3.23"