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18" Subwoofers

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1 - 20 of 41 products

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    Trinity Audio TAS-B18D4 18" 4500W Dual 4-Ohm Subwoofer

    Trinity Audio TAS-B18D4 18" 4500W Dual 4-Ohm Subwoofer

    SKU #: 04531

    Special Price $344.95

    Retail: $399.99

  2. DD Audio Digital Designs 818F-D1 18" Dual 1-Ohm 7500W Subwoofer

    DD Audio Digital Designs 818F-D1 18" Dual 1-Ohm 7500W Subwoofer

    SKU #: 04554

    Special Price $799.00

    Retail: $899.99

  3. DD Audio Digital Designs 818F-D2 18" Dual 2-Ohm 7500W Subwoofer

    DD Audio Digital Designs 818F-D2 18" Dual 2-Ohm 7500W Subwoofer

    SKU #: 04553

    Special Price $799.00

    Retail: $899.99

    • NewNew
    Trinity Audio TAS-B18D2 18" 4500W Dual 2-Ohm Subwoofer

    Trinity Audio TAS-B18D2 18" 4500W Dual 2-Ohm Subwoofer

    SKU #: 04532

    Special Price $344.95

    Retail: $399.99

  5. Sundown Audio NS-18v6-D1 18" Nightshade 3000W RMS Dual 1-Ohm Subwoofer

    Sundown Audio NS-18v6-D1 18" Nightshade 3000W RMS Dual 1-Ohm Subwoofer

    SKU #: 04258

    Special Price $1,529.99

    Retail: $1,799.99

  6. Sundown Audio NS-18v6-D2 18" Nightshade 3000W RMS Dual 2-Ohm Subwoofer

    Sundown Audio NS-18v6-D2 18" Nightshade 3000W RMS Dual 2-Ohm Subwoofer

    SKU #: 04257

    Special Price $1,529.99

    Retail: $1,799.99

  7. Sundown Audio U-18 D4 18" 1500W RMS Dual 4-Ohm U-Series Subwoofer

    Sundown Audio U-18 D4 18" 1500W RMS Dual 4-Ohm U-Series Subwoofer

    SKU #: 04096

    Special Price $469.99

    Retail: $599.99

  8. Sundown Audio U-18 V2 D4 18" 1750W RMS Dual 4-Ohm U-Series Subwoofer

    Sundown Audio U-18 V2 D4 18" 1750W RMS Dual 4-Ohm U-Series Subwoofer

    SKU #: 04095

    Special Price $619.99

    Retail: $729.99

  9. Sundown Audio U-18 V2 D2 18" 1750W RMS Dual 2-Ohm U-Series Subwoofer

    Sundown Audio U-18 V2 D2 18" 1750W RMS Dual 2-Ohm U-Series Subwoofer

    SKU #: 04094

    Special Price $619.99

    Retail: $729.99

  10. DD Audio Digital Designs 818d-D2 18" 6000W Dual 2-Ohm Subwoofer

    DD Audio Digital Designs 818d-D2 18" 6000W Dual 2-Ohm Subwoofer

    SKU #: 04076

    Special Price $699.00

    Retail: $999.99

  11. Trinity Audio TAS-H18-D2 18" 9000W Dual 2-Ohm Subwoofer

    Trinity Audio TAS-H18-D2 18" 9000W Dual 2-Ohm Subwoofer

    SKU #: 04067

    Special Price $839.95

    Retail: $1,099.99

  12. Trinity Audio TAS-H18-D1 18" 9000W Dual 1-Ohm Subwoofer

    Trinity Audio TAS-H18-D1 18" 9000W Dual 1-Ohm Subwoofer

    SKU #: 04066

    Special Price $839.95

    Retail: $1,099.99

  13. Trinity Audio TAS-M18-D2 18" 6000W Dual 2-Ohm Subwoofer

    Trinity Audio TAS-M18-D2 18" 6000W Dual 2-Ohm Subwoofer

    SKU #: 04061

    Special Price $559.95

    Retail: $759.99

  14. Trinity Audio TAS-M18-D1 18" 6000W Dual 1-Ohm Subwoofer

    Trinity Audio TAS-M18-D1 18" 6000W Dual 1-Ohm Subwoofer

    SKU #: 04060

    Special Price $559.95

    Retail: $759.99

  15. DD Audio Digital Designs 718d-D2 18" Dual 2-Ohm 3600W Subwoofer

    DD Audio Digital Designs 718d-D2 18" Dual 2-Ohm 3600W Subwoofer

    SKU #: 03822

    Special Price $599.99

    Retail: $669.99

  16. DD Audio Digital Designs 718d-D4 18" Dual 4-Ohm 3600W Subwoofer

    DD Audio Digital Designs 718d-D4 18" Dual 4-Ohm 3600W Subwoofer

    SKU #: 03818

    Special Price $599.99

    Retail: $679.99

  17. Sundown Audio Z-18 V.6 D2 18" 2500 Watts RMS Dual 2-Ohm Z-V.6 Series Subwoofer

    Sundown Audio Z-18 V.6 D2 18" 2500 Watts RMS Dual 2-Ohm Z-V.6 Series Subwoofer

    SKU #: 03719

    Special Price $1,149.99

    Retail: $1,379.99

  18. Sundown Audio Z-18 V.6 D1 18" 2500 Watts RMS Dual 1-Ohm Z-V.6 Series Subwoofer

    Sundown Audio Z-18 V.6 D1 18" 2500 Watts RMS Dual 1-Ohm Z-V.6 Series Subwoofer

    SKU #: 03658

    Special Price $1,149.99

    Retail: $1,379.99

  19. Sundown Audio X-18 V.3 D2 18" 2000W RMS Dual 2-Ohm XV3 Series Subwoofer

    Sundown Audio X-18 V.3 D2 18" 2000W RMS Dual 2-Ohm XV3 Series Subwoofer

    SKU #: 03323

    Special Price $799.99

    Retail: $959.99

  20. Sundown Audio X-18 V.3 D1 18" 2000W RMS Dual 1-Ohm XV3 Series Subwoofer

    Sundown Audio X-18 V.3 D1 18" 2000W RMS Dual 1-Ohm XV3 Series Subwoofer

    SKU #: 03318

    Special Price $799.99

    Retail: $959.99

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