Rockford Fosgate P18S4

• Size: 8 inch
• Type: Woofer
• Voice coil: Configuration - Single; Material - Aluminum; Description - 1.5"
• Cone Material: Poly/Plastic -; Parabolic Polypropylene
• Frame Material: Frame - Stamped; Material - Steel

Specifications

• Power handling(RMS) - 150 Watts
• Power handling(Peak) - 300 Watts
• Impedance - 4 Ohms
• Sensitivity - 83 db
• Vas - 16
• Fs - 35
• Qts - .518
• Xmax - 7.0

Dimensions

• Depth Bottom mount - 4.1 in.
• Cutout - 7.05 in.
• Displacement - 34.56 cu in.
• Magnet weight - 26 oz.

Enclosure

• Recommended Sealed (Cubic Feet) - 0.25
• Recommended Ported (Cubic feet) - 0.65 @ 42Hz