Rockford Fosgate P1S4-12 Punch 12" P1 4-Ohm SVC Subwoofer

Rockford Fosgate P1 12" are the first in a family of world famous subwoofers called "The Punch". During their inception in the 1980's, they quickly became "The Woofer of Choice" for fanatic car audio systems, with a continued tradition today. Kevlar fiber reinforced paper cones deliver bass impact you can feel, and our VAST technology in the Punch P1 woofer increases woofer surface cone area by up to 25%. Best in standard sealed and vented enclosures. Includes soft touch ABS tri trim ring. Linear spider with embedded 16 AWG tinsel leads High-temp voice coil with spun-laced Nomex® re-inforcement collar Kevlar fiber reinforced paper cone StampCast basket with integrated spider venting Soft touch ABS trim ring with optional grille Custom 10-AWG nickel plated push terminals Extended pole piece and bumped vented backplate Protective PVC textured magnet cover. Size12" Power Handling (Watts RMS)250 Watts RMS 500 Watts Max Magnet Weight (oz)45 oz. (1.28 kg.) Voice Coil Diameter2.0" (51.6 mm) Speaker ConnectorDual 10 AWG compression Mounting Depth6.0 in. (152.4 mm) Xmax (mm)9.0 Cutout Diameter11.22 in. (285 mm) Woofer Displacement0.081 cu. ft. (2.3 Liters) Le (mH)3.01 Nominal Impedance4-Ohm Shipping Weight11.7 Lbs. (5.3 kg) SPL (dB @ 1w/1m)86 Fs (Hz)25 Qts0.55 Qes0.56 Qms3.40 CEA-2031 CompliantCEA-2031 Guidelines Vas (Liters)88.3 Re (Ohms)3.6 Sd (cm2)548 Subwoofer TypeStandard Voice Coil TypeSingle Voice Coil Sealed Box Volume (Vb)1.02 cu. ft. (28.8 Liters) Vented Box Volume (Vb)1.79 cu. ft. (50.6 Liters)