P3SD4-8

• 8" shallow subwoofer with dual 4-ohm voice coils
• anodized aluminum cone with M-Roll Santoprene™ surround
• power range: 50-150 watts RMS (75 watts per voice coil)
• peak power handling: 300 watts
• frequency response: 38-250 Hz
• sensitivity: 82 dB
• top-mount depth: 2-5/8"
• sealed box volume: .20-.70 cubic feet
• ported box volume: .75 cubic feet
• grille not included
• warranty: 1 year
• 60-day returns
• MFR # P3SD4-8

• Size    8 -inch
• Impedance (Ohms)    2, 8
• Cone Material    Anodized Aluminum
• Surround Material    Santoprene
• Port diameter (inches)    3
• Port length (inches)    9
• Free-Air    No
• Dual Voice Coil    Yes
• Sensitivity    82 dB at 1 watt
• Frequency Response    38 - 250 Hz
• Max RMS Power Handling    150
• Peak Power Handling (Watts)    300
• Top Mount Depth (inches)    2 5/8
• Bottom Mount Depth (inches)    N/A
• Cutout Diameter or Length (inches)    7 1/8
• Vas (liters)    15.8
• Fs (Hz)    38
• Qts    0.87
• Xmax (millimeters)    8.4
• Parts Warranty    1 Year
• Labor Warranty    1 Year

Box Requirements

• Ideal Sealed Box Volume (cubic feet)    0.25
• Minimum Sealed Box Volume (cubic feet)    0.2
• Maximum Sealed Box Volume (cubic feet)    0.7
• Ideal Ported Box Volume (cubic feet)    0.75
• Minimum Ported Box Volume (cubic feet)    N/A
• Maximum Ported Box Volume (cubic feet)    N/A

Rockford Fosgate P3SD4-8 owner's manual