Rockford Fosgate M2-D4-12I

Product highlights:

• 12″ marine subwoofer with dual 4-ohm voice coils
• design for infinite baffle (free-air) installations
• injection-molded mineral-filled polypropylene cone
• integrated Color Optix RGB LED lighting included (requires separate PMX-RGB lighting controller)
• synthetic fiber blend spider
• Element Ready™ design
  • rugged, UV-stable plastic parts
  • Deutsch™ and Amphenol™ waterproof connectors make wiring simple
  • IP67 certification
• removable grille included with interchangeable stainless-steel mesh or “Sport” inserts

Specs:

• power handling: 400 watts RMS (1600 watts peak)
• frequency response: 20-750 Hz
• sensitivity: 88 dB @ 1w/1m
• switchable impedance: 2 or 8 ohms
• cutout diameter: 11″
• top-mount depth: 5.13″