R1S4-12

• 12" 4-ohm subwoofer
• polypropylene woofer cone with butyl rubber surround
• 18-gauge stamped steel frame
• power range: 50-150 watts RMS (300 watts peak power)
• frequency response: 22-250 Hz
• sensitivity: 87 dB
• top-mount depth: 4-15/16"
• sealed box volume: 0.7-1.8 cubic feet
• ported box volume: n/a
• warranty: 1 year
• 60-day returns
• MFR # R1S412

• Size    12 -inch
• Impedance (Ohms)    ---
• Cone Material    Polypropylene
• Surround Material    Butyl rubber
• Port diameter (inches)    N/A
• Port length (inches)    N/A
• Free-Air    No
• Dual Voice Coil    No
• Sensitivity    87 dB at 1 watt
• Frequency Response    22 - 250 Hz
• Max RMS Power Handling    150
• Peak Power Handling (Watts)    300
• Top Mount Depth (inches)    4 15/16
• Bottom Mount Depth (inches)    N/A
• Cutout Diameter or Length (inches)    10 15/16
• Vas (liters)    195
• Fs (Hz)    21.6
• Qts    0.49
• Xmax (millimeters)    6.3
• Parts Warranty    1 Year
• Labor Warranty    1 Year

Box Requirements

• Ideal Sealed Box Volume (cubic feet)    1.02
• Minimum Sealed Box Volume (cubic feet)    0.7
• Maximum Sealed Box Volume (cubic feet)    1.8
• Ideal Ported Box Volume (cubic feet)    N/A
• Minimum Ported Box Volume (cubic feet)    N/A
• Maximum Ported Box Volume (cubic feet)    N/A

Rockford Fosgate R1S412 owner's manual