The Rockford Fosgate P2 8” subwoofer continues “The PUNCH” tradition. The P2D2-8 features a Dual 2-Ohm voice coil, 250 Watts RMS power handling, and can accommodate a grille insert using the included cast aluminum trim ring. Rockford Fosgate has always been known as "The PUNCH" and the P2 8" subwoofer certainly continues with the tradition. Kevlar fiber reinforced paper cones deliver bass impact you can feel along with VAST technology to increase surface cone area up to 25%. The P2 subwoofers perform best in standard sealed and vented enclosures. Includes diamond cut cast aluminum trim ring. Optional grille insert available. FEATURES AT A GLANCE Diamond cut cast aluminum trim ring with optional grille Kevlar fiber reinforced paper cone High-temp voice coil with spun-laced Nomex® re-inforcement collar Protective PVC textured magnet cover StampCast basket with integrated spider venting Extended pole piece and bumped vented backplate Dual linear spider with embedded 16 AWG tinsel leads Custom 10-AWG nickel plated push terminals 1 Year Warranty Size 8 -inch Impedance (Ohms) 1, 4 Cone Material Kevlar reinforced paper Surround Material Santoprene Ideal Sealed Box Volume (cubic feet) 0.23 Ideal Ported Box Volume (cubic feet) 0.65 Port diameter (inches) 2 Port length (inches) 8 Free-Air No Dual Voice Coil Yes Sensitivity 83 dB at 1 watt Frequency Response 40 - 250 Hz Max RMS Power Handling 250 Peak Power Handling (Watts) 500 Top Mount Depth (inches) 4 3/4 Bottom Mount Depth (inches) N/A Cutout Diameter or Length (inches) 7 1/16 Vas (liters) 9.9 Fs (Hz) 39.6 Qts 0.46 Xmax (millimeters) 5.8 Parts Warranty 1 Year Labor Warranty 1 Year