10CVT651 Subwoofer Series CompVT (CVT)/Subwoofer Size6-1/2" Peak Power Handling300 watts /RMS Power Handling150 watts Frequency Response25 - 350 Hz/Subwoofer DesignRound / Circle Main Cone ColorDark Gray/ Woofer Surround Santoprene Rubber Magnet StructureN/A Subwoofer GrilleOptional (Accessory required and sold separately) Woofer CompositionSoloKn)