Rockford Fosgate RM112D4 12-Inch Car Subwoofer - 400W RMS, 800W Peak Power, Dual 4-Ohm Voice Coils - Premium Bass for Car Audio Systems | Perfect for Trucks, SUVs & Custom Car Stereo Upgrades

Features:

• 12 Inch Prime R1 Series Dual 4-ohm Marine Subwoofer
• Power Handling:
• Peak: 400 watts
• RMS: 200 watts
• Recommended power range: 75 - 200 Watts RMS
• CEA-2031 compliant
• Klippel Verified
• Injection molded mineral filled polypropylene cone
• UV and salt fog resistant Santoprene surround
• 2 Inch 4-layer aluminum voice coil
• True Marine Grade compliance
• 100% UV stable ASA injection molded plastic parts
• Ultra-flexible fully insulated silicone lead wire
• Proprietary corrosion resistant spring loaded push terminals
• Moisture, tear and fatigue resistant Aramid fiber spider
• Removable trim ring/grille included
• Dual 12 gauge compression terminals
• Top-mount depth: 4.81 Inch
• Cutout diameter: 10.87 Inch
• Frequency Response: 22 - 250 Hz
• Fs: 29 Hz
• Qts: 0.64
• Vas: 3.83 ft³
• Xmas: 7.0 mm
• Sensitivity: 88 dB
• Optimum Sealed Enclosure: 1.65 ft³
• Optimum Ported Enclosure: 2.45 ft³
• Infinite Baffle Compatible

Specifications:

• Subwoofer Size: 12 Inch
• Subwoofer Design: Round / Circle
• Voice Coil(s): Dual
• Impedance (Per Voice Coil): 4 ohms
• Peak Power Handling: 400 watts
• RMS Power Handling: 200 watts
• Woofer Surround: Santoprene Rubber
• Woofer Composition: Injection Molded Polypropylene - IMPP
• Sensitivity: 88 dB
• Frequency Response: 21 - 250 Hz
• Xmax (millimeters): 7 mm
• Top-Mount Depth: 4.81 Inch
• Shallow Mount Installation: No
• Cutout Diameter: 10.87 Inch
• Recommended Enclosure Type: Ported / Vented, Sealed
• Subwoofer Grille: Yes - Included
• Re-Cone Kit Available: No