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PREFAB AKA "PRO-FAB" SUBWOOFER BOXES

PREFAB AKA "PRO-FAB" SUBWOOFER BOXES

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  • On Sale
     Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 99-07 GM/Chevy Extended Cab – 2.5-Inch Seat Lift Required  Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 99-07 GM/Chevy Extended Cab – 2.5-Inch Seat Lift Required

    Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 99-07 GM/Chevy Extended Cab – 2.5-Inch Seat Lift Required

    Down4Sound

    MSRP: $11,457.11
    Now: $6,816.90
    Was: $8,019.92
    Tailored for the 1999-2007 GM/Chevy Extended Cab, this Down4Sound PRO-FAB enclosure is designed for serious bass enthusiasts. Featuring four 8-inch subwoofer openings, it delivers precision-tuned bass output with a tuning frequency of 32.5 Hz. Crafted...
    TD4S-PFB-GM9907-488SL
    MSRP: $11,457.11
    Now: $6,816.90
    Was: $8,019.92
    Qty in Cart: 0
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    Price:
    MSRP: $11,457.11
    Now: $6,816.90
    Was: $8,019.92
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  • On Sale
     Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 19+ GM/Chevy Crew Cab – 2.5-Inch Seat Lift Required  Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 19+ GM/Chevy Crew Cab – 2.5-Inch Seat Lift Required

    Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 19+ GM/Chevy Crew Cab – 2.5-Inch Seat Lift Required

    Down4Sound

    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Designed for the 2019+ GM/Chevy Crew Cab, this Down4Sound PRO-FAB enclosure is tailored for audio enthusiasts seeking deep, powerful bass. Featuring four 8-inch subwoofer openings, it is precision-tuned to 32.5 Hz to ensure excellent sound performance...
    TD4S-PFB-GM1924-488SL
    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
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    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
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  • On Sale
     Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 19+ GM/Chevy Crew Cab – Under Seat – No Lift  Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 19+ GM/Chevy Crew Cab – Under Seat – No Lift

    Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 19+ GM/Chevy Crew Cab – Under Seat – No Lift

    Down4Sound

    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Engineered for the 2019+ GM/Chevy Crew Cab, the Down4Sound PRO-FAB enclosure is designed to deliver powerful and precise bass. With four 8-inch subwoofer openings, this enclosure fits seamlessly under the rear seat without the need for a seat lift...
    TD4S-PFB-GM1924-488NL
    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
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    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Subtotal:
  • On Sale
    Down4Sound PRO-FAB DIY 10 - Single 10-Inch Ported Subwoofer Enclosure

    Down4Sound PRO-FAB DIY 10 - Single 10-Inch Ported Subwoofer Enclosure

    Down4Sound

    MSRP: $3,818.91
    Now: $2,272.17
    Was: $2,673.18
    Build your own high-performance subwoofer enclosure with the Down4Sound PRO-FAB Birch Flat Pack Single 10, a DIY ported sub box designed for audio enthusiasts and DIY lovers. This flat pack includes pre-cut birch panels, precision-engineered to deliver...
    DIY-PFB-BIRCH-10P
    MSRP: $3,818.91
    Now: $2,272.17
    Was: $2,673.18
    Qty in Cart: 0
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    MSRP: $3,818.91
    Now: $2,272.17
    Was: $2,673.18
    Subtotal:
  • Down4Sound DOWN4SOUND PRO-FAB Birch Flat Pack Dual  2 6.5 | DIY Ported Subwoofer Enclosure Box

    DOWN4SOUND PRO-FAB Birch Flat Pack Dual 2 6.5 | DIY Ported Subwoofer Enclosure Box

    Down4Sound

    MSRP: $3,818.91
    $2,673.18
    Create your own high-performance subwoofer enclosure with the Down4Sound PRO-FAB Birch Flat Pack Dual 6.5, a DIY ported sub box crafted for exceptional sound quality and custom car audio projects. Designed for dual 6.5-inch subwoofers, this kit features...
    DIY-PFB-BIRCH-265P
    MSRP: $3,818.91
    $2,673.18
    Qty in Cart: 0
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    MSRP: $3,818.91
    $2,673.18
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  • On Sale
     Down4Sound PRO-FAB DIY Flat Pack - Single 8-Inch Ported Subwoofer Enclosure Kit  Down4Sound PRO-FAB DIY Flat Pack - Single 8-Inch Ported Subwoofer Enclosure Kit

    Down4Sound PRO-FAB DIY Flat Pack - Single 8-Inch Ported Subwoofer Enclosure Kit

    Down4Sound

    MSRP: $3,818.91
    Now: $2,272.17
    Was: $2,673.18
    Down4sound - Single 8 Inch Ported Sub Box enclosure (PROFAB BOX) Take your DIY audio project to the next level with the Down4Sound PRO-FAB DIY Flat Pack, tailored for a single 8-inch subwoofer. This ported enclosure kit is precision-engineered to...
    DIY-PFB-188P
    MSRP: $3,818.91
    Now: $2,272.17
    Was: $2,673.18
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,818.91
    Now: $2,272.17
    Was: $2,673.18
    Subtotal:
  •  Down4Sound PRO-FAB Birch DIY Flat Pack - Dual 8 -Inch Ported Subwoofer Enclosure Kit  Down4Sound PRO-FAB Birch DIY Flat Pack - Dual 8 -Inch Ported Subwoofer Enclosure Kit

    Down4Sound PRO-FAB Birch DIY Flat Pack - Dual 8 -Inch Ported Subwoofer Enclosure Kit

    Down4Sound

    MSRP: $3,818.91
    $2,673.18
    Down4Sound PRO-FAB Birch Flat Pack Dual 8-Inch Ported Subwoofer Enclosure Box - DIY Kit with Precise Dimensions for Superior Bass  Elevate your car audio game with the Down4Sound PRO-FAB Birch Flat Pack Dual 8, a DIY ported subwoofer enclosure kit...
    DIY-PFB-BIRCH-28P
    MSRP: $3,818.91
    $2,673.18
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,818.91
    $2,673.18
    Subtotal:
  • On Sale
     Down4Sound PRO-FAB - No Lift - Birch - 2x 8-Inch Ported Subwoofer Enclosure - 07-13 GM/Chevy Crew Cab  Down4Sound PRO-FAB - No Lift - Birch - 2x 8-Inch Ported Subwoofer Enclosure - 07-13 GM/Chevy Crew Cab

    Down4Sound PRO-FAB - Birch - 2x 8-Inch Ported Subwoofer Enclosure - 07-13 GM/Chevy Crew Cab – No Lift

    Down4Sound

    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Tailored for the 2007-2013 GM/Chevy Crew Cab, this Down4Sound PRO-FAB enclosure delivers powerful, precise bass with dual 8-inch subwoofer openings. Designed to fit seamlessly under the rear seat without requiring a lift kit, it ensures easy installation...
    TD4S-PFB-GMT713-880SP
    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Subtotal:
  • On Sale
     Down4Sound PRO-FAB - Birch - 2x 8-Inch Ported Subwoofer Enclosure - 19-24 GM/Chevy Crew Cab  Down4Sound PRO-FAB - Birch - 2x 8-Inch Ported Subwoofer Enclosure - 19-24 GM/Chevy Crew Cab

    Down4Sound PRO-FAB - Birch - 2x 8-Inch Ported Subwoofer Enclosure – 19-24 GM/Chevy Crew Cab – No Lift

    Down4Sound

    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Tailored specifically for 2019-2024 GM/Chevy Crew Cab models, the Down4Sound PRO-FAB enclosure is designed to provide precise, impactful bass without requiring a seat lift. Featuring dual 8-inch subwoofer openings, this enclosure is crafted from premium...
    TD4S-PFB-GMT1924-880SP
    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Subtotal:
  • On Sale
    Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure – 07-13 Chevy/GM Crew Cab – 2.5-Inch Seat Lift Required  Down4Sound PRO-FAB 4-8 | 4 8-Inch Sub Box | Quad 8-Inch Ported Subwoofer Enclosure for 07-13 GM Crew Cab – Under Seat

    Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure – 07-13 Chevy/GM Crew Cab – 2.5-Inch Seat Lift Required

    Down4Sound

    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Designed specifically for 2007-2013 Chevy/GM Crew Cab trucks, the Down4Sound PRO-FAB (Quad) enclosure is engineered to deliver ground-shaking bass. With four 8-inch subwoofer openings, this ported enclosure is built from premium birch wood and coated...
    TD4S-PFB-GMT713-480SP
    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $12,411.88
    Now: $6,492.28
    Was: $7,638.01
    Subtotal:
  • On Sale
     Down4Sound PRO-FAB 4 6.5 | Quad 6.5 Sub Box | 4x 6.5-Inch Ported Subwoofer Enclosure for 99-07 Chevy/GMC Crew Cab  Down4Sound PRO-FAB 4 6.5 | Quad 6.5 Sub Box | 4x 6.5-Inch Ported Subwoofer Enclosure for 99-07 Chevy/GMC Crew Cab

    Down4Sound PRO-FAB - Birch - 4x 6.5-Inch Ported Subwoofer Enclosure – 99-07 Chevy/GMC Crew Cab – Behind Seat

    Down4Sound

    MSRP: $11,457.11
    Now: $6,816.90
    Was: $8,019.92
    Designed specifically for 1999-2007 Chevy/GMC Crew Cab trucks, the Down4Sound PRO-FAB (Quad) enclosure is built to deliver exceptional bass performance. With four 6.5-inch subwoofer openings, this ported enclosure fits perfectly behind the rear seat,...
    TD4S-PFB-GMT713-465SP
    MSRP: $11,457.11
    Now: $6,816.90
    Was: $8,019.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $11,457.11
    Now: $6,816.90
    Was: $8,019.92
    Subtotal:
  • Down4Sound DUAL 12 INCH TRIPLE LAYER HD WITH KERF Port Sub box Enclosure (2 - 12) Down4sound "PRO-FAB" Down4Sound DUAL 12 INCH TRIPLE LAYER HD WITH KERF Port Sub box Enclosure (2 - 12) Down4sound "PRO-FAB"

    Down4sound PRO-FAB HD3- 2 12 Sub Box | Dual HD 12-Inch KERF Port Subwoofer Enclosure Box

    Down4Sound

    MSRP: $16,803.85
    $13,366.66
    Experience Extreme Sound with the PRO-FAB HD3 Dual 2 12 Inch KERF Ported Subwoofer HD Birch Enclosure Are you craving high-performance audio and extreme sound quality? Look no further than Down4sound's PRO-FAB HD3 Dual 12 Inch Ported Subwoofer HD Birch...
    HD3-2-12KP
    MSRP: $16,803.85
    $13,366.66
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $16,803.85
    $13,366.66
    Subtotal:
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