Legacy LS6530MK 6.5-Inch 300 Watt ThreeWay Speakers 6.5 Blue Injection-Molded Polymica Cone Woofer - 300 Watts Max Power Specially Treated Rubber Edge Suspension - Sensitivity: 89 dB 70 oz. Magnet Structure - Frequency Response: 55Hz-20KHz 1'' High Temperature Aluminum Voice Coil - Impedance: 4 Ohms 2'' Polymide Midrange and 28mm Piezo Super Tweeter - Mounting Depth: 2.1''