$ 0 0 $89.008" 500W Dual 4-ohm Mobile Monitor Series Car Subwoofer DriverGeneral FeaturesPower Handling 500W Max 100-250W Rated Power General Features Polymer cone Butyl rubber surround Carbon composite basket Certified for marine use Frequency response: 26-200 Hz Sensitivity: 89 dB Top-mount depth: 4" Sealed box volume: 0.35 cubic feet