Polk Audio DB+ SVC 10" 10-inch Single 4 Ohm Marine Certified Car Audio Subwoofer
Model: DB1042SVC DB+ Series. Sensitivity: 85 dB. Frequency Response: 28 - 200 Hz. Impedance: Single 4 ohms. Tested for salt-fog, UV and humidity. IP56 Ultra-Marine Rated, dirt and water resistant. RMS Power Handling: 350 watts.