Pyramid 658GS 6.5-Inch 300 Watts ThreeWay Speakers 6.5'' Yellow Injection-Molded Polymica Cone Woofer - 300 Watts Rated Power Specially Treated Rubber Edge Suspension - SPL: 90dB 50 oz. Magnet Structure - Frequency Response: 80Hz-18k Hz 1'' High Temperature Aluminum Voice Coil - 4 Ohm Impedance 1'' Pole Mounted Cone Tweeter - Mounting Depth: 2''