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Custom Car Audio Single 18 Inch Vented 1 Inch MDF Heavy Duty Subwoofer Enclosure Sub Box

List Price:  $437.00
Price:  $133.99
You Save:  $303.01 (69%)
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Competition Single 18" Vented 1" MDF Sub Box

The HP118V is one monster of an enclosure! The 18" sub box was designed to bring the house down and features a massive 7.4 cubic feet of airspace making it ideal for RE Audio, Massive, MA Audio and many other brands. The enclosure is tuned to 32HZ and is constructed from 1" MDF wood all around which means the box is going to last year after year.


  • Custom Car Audio Single 18 Inch Vented 1 Inch MDF Heavy Duty Subwoofer Enclosure Sub Box
  • SKU: HP118V
  • Features:
    • Custom Single 18" Vented 1" MDF Heavy Duty Subwoofer
      • Air Space: 7.4 Cubic Feet per Sub
      • Mounting Depth: 20"
      • Cutout Diameter 17-1/4"
      • Vented Enclosure
      • 1" Heavy Duty MDF Construction
      • Overall Box Dimensions: 34-1/4" Width x 22-1/4" Height x 22-1/4" Depth
      • Port Dimensions: 20" Height x 3" Width x 15" Depth
      • Tuned to 32hz
    • Constructed with High Quality MDF
    • High Quality Spring Loaded Terminal Cups (Bare Wire 'up to 10GA')
    • High Quality Black Carpet
    • Enclosure is Universal but be sure to confirm the cutout diameter is compatible with your sub
    This box fits:
    • Universal Custom Single 18" Vented 1" MDF Heavy Duty Subwoofer
  • This item is New
  • 30-Day Half Price Car Audio Warranty
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Return Policy
Due to the size of this item it cannot be returned for a refund. If the box is damaged in-transit we will replace it. Click here for more information on damaged items.