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Single 18" Custom Subwoofer Boxes

Single 18
Specifications & Features
- Available in sealed or ported options
- Available with Flared Ports (ported box only)
- Constructed from premium 3/4" MDF
- Customizable carpet color and other options
- Customizable cut-out
- Customizable Dimensions
- Customizable Internal Volume
- Premium Terminal Cups with Gold Plated 5-way Binding Posts
- Standard Internal Volume: 4.0 cubic feet

Customize your single 18" subwoofer box to your subwoofer's precise specifications. Our custom subwoofer boxes are constructed to your specifications, so you know it will be exactly the way you want it. Choose between a custom sealed single 18" sub woofer enclosure, or a ported subwoofer box for your system.

Item # Description Price
025-025 Single 18" Straight Sealed Custom Subwoofer Box $195.00 $140.00
025-027 Single 18" Straight Ported Custom Subwoofer Box $210.00 $150.00

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