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Build Your Own Subwoofer Box

Showing:1 - 20 of 22
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  • Grille Clamps

     (Front/top mount clamps)

    In Stock

    15 people say 

    • Secures grille to top-mounted speaker

    Free Shipping

    $3.99

  • Inset Handle

    In Stock

    • Flush-mount handle
    • requires a 4" x 2-1/4" cut-out
    • mounting screws not included

    Free Shipping

    $3.99

  • Metra Speaker Terminal

    Round terminal cup with spring clip connectors (for do-it-yourself box builders)

    In Stock

    5 people say 

    • accepts bare wire or pin connectors
    • diameter: 3"

    Free Shipping

    $3.99

  • Metra Speaker Terminal

    Square terminal cup with spring clip connectors (for do-it-yourself box builders)

    In Stock

    7 people say 

    • accepts bare wire or pin connectors
    • requires 1-15/16" diameter cut-out

    Free Shipping

    $3.99

  • Port Tube

    2" diameter, 4-1/2" long

    In Stock

    2 people say 

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 2" diameter

    Free Shipping

    $3.99

  • Port Tubes

     (2" diameter x 2-1/2" length)

    In Stock

    2 people say 

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 2" diameter

    Free Shipping

    $3.99

  • Port Tube

    3" diameter, 4-1/2" long

    In Stock

    1 person says 

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 3" diameter

    Free Shipping

    $4.99

  • Port Tube

    4" diameter, 4-1/2" long

    In Stock

    1 person says 

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 4" diameter

    Free Shipping

    $5.99

  • Rubber Feet

    In Stock

    4 people say 

    • Non-skid rubber feet
    • includes mounting screws

    Free Shipping

    $5.99

  • Rubber Handle

    In Stock

    • Flexible rubber handle
    • 9-3/4" long
    • metal end covers

    Free Shipping

    $5.99

  • Box Brackets

    In Stock

    5 people say 

    • Secures subwoofer box to vehicle
    • includes 4 brackets and 16 sheet metal screws

    Free Shipping

    $7.99

  • Port Tube

    6" diameter, 6" long

    In Stock

    • Rolled front flange sits flush against the box's exterior
    • ABS plastic port can be trimmed to a specific length
    • 6" diameter

    Free Shipping

    $7.99

  • Corner Protectors

    In Stock

    5 people say 

    • 8 molded plastic corner guards
    • includes mounting screws

    Free Shipping

    $9.99

  • Metra Speaker Terminal

    Round terminal cup with binding post connectors (for do-it-yourself box builders)

    In Stock

    13 people say 

    • round terminal cup
    • diameter: 4-1/8"
    • binding posts accept bare wire, spade lugs, and banana plugs

    Free Shipping

    $9.99

  • Metra Speaker Terminal

    Square terminal cup with binding post connectors (for do-it-yourself box builders)

    In Stock

    7 people say 

    • square speaker terminal cup
    • requires 2-7/8"W x 2-1/8"H box cut-out
    • binding posts accept bare wire, spade lugs, and banana plugs

    Free Shipping

    $9.99

  • Springback Handle

    In Stock

    2 people say 

    • Flush-mount steel handle
    • padded grip
    • requires a 5-1/8" x 3" cut-out

    Free Shipping

    $9.99

  • Polyester Fiber Stuffing

    Make your subwoofer think it's in a bigger box (1-pound pack)

    In Stock

    34 people say 

    Free Shipping

    $12.99

  • Mocha Box Carpet

    3 yards

    In Stock

    4 people say 

    • Polypropylene and polyester/nylon blend
    • 54" x 3 yards

    Free Shipping

    $14.99

  • Sound Ordnance B8PFT

    Mounting brackets for Sound Ordnance B8PT and B8PTD powered subwoofers (pair)

    In Stock

    Free Shipping

    $19.99

  • Metra Box Carpet

    Carpet roll (54" x 5 yards) — available in 3 colors (Black)

    In Stock

    24 people say 

    • polypropylene and polyester/nylon blend
    • 54" x 5 yards

    Free Shipping

    $39.99

    Open Box: $34.99
View page: 1 2 »

How to Build a Subwoofer BoxHelpful tips and step-by-step instructions for designing and building your own custom car subwoofer box.

Subwoofer Wiring DiagramsWith the wide variety of subwoofers available, it's easy to get confused about the best way to wire up your system. These wiring diagrams will help you find the configuration that'll get the most out of your subs and your amplifier.