Features Wide Frequency Response - 40-4KHZ , Covering a broad frequency range from deep lows to clear mid-bass, our subwoofers ensure you don t miss a single note.rubber Edge Cone - Superior flexibility allows the replacement subwoofer cone to move freely and accurately, resulting in precise and responsive bass performance.superior Build - Steel frame Endures high power levels and extended use. Better heat dissipation and maintain top-notch sound quality over time.easy Installation - Standard 6 inch size, easy to install in a car door, speaker holes, under seat. Perfect for replacing bad speakers or upgrading from low powered Oem ones.Speaker Specifications:Speaker Size: 6 inchType: 2 Way CoaxialImpedance: 4 OhmPeak Power: 500 WattsMax Power: 100 WattsRMS Power: 50 WattsCONE Material: PaperSurround: High Roll Foam Cooling System: Advanced Air FlowVoice Coil: 1" CCAWFrame material: SteelPackage Includes:2x 6 Inch Speaker