Rockford Fosgate P1 15” is the first in a family of famous “Punch” subwoofers. The P1S4-15 features a 4-Ohm voice coil, 250 Watts RMS power handling, and can accommodate a grille insert using the included soft touch ABS trim ring.
 

• 250/500 Watts RMS/MAX.
• SPL 87 dB
• 4 Ohm
• Cutout Diameter:35.18 cm
• Mounting Depth:17.74 cm