FOX JK-212-V-4D

The FOX JK-JL-212-V-4D is one of the most popular high-output Jeep Wrangler subwoofer enclosures because it combines dual 12-inch capability, strong vented output, and a space-saving floating down-fire design that still allows cargo usability and roof-panel storage. It’s designed specifically for 4-door Jeep Wrangler Unlimited models.

The biggest buying considerations for this enclosure are:

• Maximum mounting depth
• Available cargo space
• Output goals
• Roof-off bass performance
• Subwoofer compatibility

Key Features

• Dual 12-inch vented enclosure
• Floating down-fire configuration
• Designed for roof-on or roof-off performance
• Spray-coated black bedliner finish
• Steel mounting brackets included
• Mounts using Jeep roof mounting bolts
• Leaves approximately 9" of usable space underneath
• Allows storage of Jeep roof panels in rear cargo area
• Common chamber vented design

Vehicle Compatibility

• Jeep Wrangler JKU 4-door
• Jeep Wrangler JLU 4-door
• Works with and without factory subwoofer
• Compatible with newer 2024 JLU interiors
• 4-door models only

Enclosure Specifications

• Air Space:
  • 4.4 ft³ common chamber
• Port Tuning:
  • 35Hz
• Maximum Mounting Depth:
  • 8"
• Maximum Magnet Diameter:
  • 7.75"
• Mounting Hole Diameter:
  • 11.15"