Rockford Fosgate R2SD4-12 12-Inch 1200W Car Subwoofer - High Performance Bass for Trucks, SUVs & Custom Audio Systems | Perfect for Road Trips & Music Enthusiasts

Features:

• 12 Inch Dual 4 ohm Shallow Mount Prime Stage 2 Series Subwoofer
• Power Handling:
  • Peak: 500 watts
  • RMS: 250 watts
• Impedance: 4 ohm
• Mica injected polypropylene cone
• Black raised surround
• Linear spider with 16 AWG woven tinsel leads
• StampCast basket with integrated spider venting
• CEA-2031 Compliant accurate power handling rating
• Designed for use with sealed and vented enclosures
• High temperature voice coil
• Integrated PVC trim ring
• Anodized aluminum voice coil former
• Frequency response: 43-250 Hz

Specifications:

Subwoofer Specifications:

• Subwoofer Series: Prime R2
• Subwoofer Size: 12 Inch
• Peak Power Handling: 500 watts
• Total Peak Power Handling: 250 watts
• Voice Coil(s): Dual
• Impedance (Per Voice Coil): 4 ohms
• Voice Coil Diameter: 2 Inch
• Frequency Response: 43 - 250 Hz
• Sensitivity: 81 dB
• Xmax (millimeters): 10 mm
• Subwoofer Design: Round/Circle
• Main Cone Color: Black
• Woofer Composition: Mica Injected Polypropylene (MIPP)
• Magnet Structure: Single Stacked
• Subwoofer Grille: No
• Re-Cone Kit Available: No

Enclosure Specifications:

• Recommended Enclosure Type: Ported/Vented/Sealed
• Minimum Sealed Box Volume: 0.75 cubic feet
• Maximum Sealed Box Volume: 1.25 cubic feet
• Minimum Ported Box Volume: 1.79 cubic feet
• Maximum Ported Box Volume: 1.79 cubic feet
• Top-Mount Depth: 3-5/8 Inch
• Cutout Diameter: 11-1/4 Inch
• Shallow Mount Installation: Yes

Electromechanical Parameters:

• Free-Air Resonance (Fs): 30.3 Hz
• Equivalent Compliance (Vas): 65.4 liters
• Total Speaker Q Value (Qts): 0.65
• Electrical Q Value (Qes): 0.72
• Electrical Resistance of Voice Coil (Re): 6.80 ohms
• Mechanical Q Value (Qms): 7.00