P1S4-8

• 8" 4-ohm subwoofer
• Kevlar® reinforced paper cone
• nitrile butadiene rubber (NBR) surround
• hybrid StampCast basket provides strength while minimizing weight and resonance
• Vertical Attach Surround Technique (VAST™) increases cone area
• power range: 50-200 watts RMS (400 watts peak power)
• frequency response: 39-250 Hz
• sensitivity: 83.5 dB
• top-mount depth: 4-3/8"
• sealed box volume: 0.2-0.3 cubic feet
• ported box volume: 0.65 cubic feet
• warranty: 1 year
• 60-day returns
• MFR # P1S4-8

• Size    8 -inch
• Impedance (Ohms)    ---
• Cone Material    Kevlar reinforced paper
• Surround Material    NBR
• Port diameter (inches)    2
• Port length (inches)    6
• Free-Air    No
• Dual Voice Coil    No
• Sensitivity    83.5 dB at 1 watt
• Frequency Response    39 - 250 Hz
• Max RMS Power Handling    200
• Peak Power Handling (Watts)    400
• Top Mount Depth (inches)    4 3/8
• Bottom Mount Depth (inches)    N/A
• Cutout Diameter or Length (inches)    7 1/16
• Vas (liters)    12
• Fs (Hz)    39
• Qts    0.47
• Xmax (millimeters)    5.3
• Parts Warranty    1 Year
• Labor Warranty    1 Year

Box Requirements

• Ideal Sealed Box Volume (cubic feet)    0.23
• Minimum Sealed Box Volume (cubic feet)    0.2
• Maximum Sealed Box Volume (cubic feet)    0.3
• Ideal Ported Box Volume (cubic feet)    0.65
• Minimum Ported Box Volume (cubic feet)    N/A
• Maximum Ported Box Volume (cubic feet)    N/A

Rockford Fosgate Punch P1S4-8 owner's manual