DB Plus Series

Upgrade your Car, Boat, Motorcycle, or ATV’s factory speaker set with Polk's loud, crystal clear sound and effortless bass. Offering multiple configurations and sizes, DB Plus are easy to install with a drop-in fit. Marine certified and built to last, you can take that legendary Polk sound wherever life takes you.
Factory Audio Upgrade
Marine Certification
Universal Drop-in Fit
Multiple Configurations
50 Year Heritage
Engineered in Baltimore
14 Products
14 Products
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    • DB5252, , dynamic
    DB5252
    5.25" Component Speaker System with Marine Certification (Pair)
    C$ 249.00
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    DB842 DVC, , dynamic
    DB842 DVC
    8" Dual Voice-Coil Subwoofer with Marine Certification
    C$ 149.00
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    DB572, , dynamic
    DB572
    5x7" Coaxial Speakers with Marine Certification (Pair)
    C$ 149.00
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    DB692, , dynamic
    DB692
    6x9" Coaxial Speakers with Marine Certification (Pair)
    C$ 200.00
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    Out of Stock
    DB652, , dynamic
    DB652
    6.5" Coaxial Speakers with Marine Certification (Pair)
    C$ 149.00
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    DB6502, , dynamic
    DB6502
    6.5" Component Speaker System with Marine Certification (Pair)
    C$ 269.00
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    DB1242 DVC, , dynamic
    DB1242 DVC
    12" Dual Voice-Coil Subwoofer with Marine Certification
    C$ 169.00
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    Out of Stock
    DB522, , dynamic
    DB522
    5.25" Coaxial Speakers with Marine Certification (Pair)
    C$ 129.00
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    DB842 SVC, , dynamic
    DB842 SVC
    8" Subwoofer with Marine Certification
    C$ 149.00
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    DB1242 SVC, , dynamic
    DB1242 SVC
    12" Subwoofer with Marine Certification
    C$ 169.00
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    DB1042 DVC, , dynamic
    DB1042 DVC
    10" Dual Voice-Coil Subwoofer with Marine Certification
    C$ 149.00
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    Out of Stock
    DB402, , dynamic
    DB402
    4" Coaxial Speakers with Marine Certification (Pair)
    C$ 129.00
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    DB1042 SVC, , dynamic
    DB1042 SVC
    10" Subwoofer with Marine Certification
    C$ 149.00
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    Out of Stock
    DB462, , dynamic
    DB462
    4x6" Coaxial Speakers with Marine Certification (Pair)
    C$ 129.00
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    Marine certification

    DB Plus speakers and subwoofers are IP56 rated to be dirt- and water-resistant and also tested against salt-fog, UV and humidity to ensure that they're fully protected against the elements.

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    60 days risk-free
    Try any product for 60 days and if you don’t love it, return it for a full refund. We’ll even pay for shipping.

    Free Shipping
    Free and fast shipping on all products, direct from Polk.

    50 Year Legacy
    For over 50 years we've been providing exceptional sound experiences.

    Engineered in Baltimore
    We're proud to be part of Baltimore for over five decades.