R2SD4-12

• 12" shallow-mount subwoofer with dual 4-ohm voice coils
• mica-injected polypropylene woofer cone with poly-foam surround
• stamped solid-steel frame
• power range: 100-250 watts RMS (500 watts peak power)
• frequency response: 29-250 Hz
• sensitivity: 85 dB
• top-mount depth: 3-5/8"
• sealed box volume: 0.9 cubic feet
• ported box volume: 1.79 cubic feet
• warranty: 1 year
• 60-day returns
• MFR # R2SD4-12

• Size    12 -inch
• Impedance (Ohms)    2, 8
• Cone Material    Mica injected Poly
• Surround Material    Poly-Foam
• Port diameter (inches)    4
• Port length (inches)    11.8
• Free-Air    No
• Dual Voice Coil    Yes
• Sensitivity    85 dB at 1 watt
• Frequency Response    29 - 250 Hz
• Max RMS Power Handling    250
• Peak Power Handling (Watts)    500
• Top Mount Depth (inches)    3 5/8
• Bottom Mount Depth (inches)    N/A
• Cutout Diameter or Length (inches)    11 1/8
• Vas (liters)    65.4
• Fs (Hz)    29.7
• Qts    0.66
• Xmax (millimeters)    10
• Parts Warranty    1 Year
• Labor Warranty    1 Year

Box Requirements

• Ideal Sealed Box Volume (cubic feet)    0.9
• Minimum Sealed Box Volume (cubic feet)    0.74
• Maximum Sealed Box Volume (cubic feet)    1.27
• Ideal Ported Box Volume (cubic feet)    1.79

Rockford Fosgate R2SD4-12 owner's manual