Welcome to Defender Canada! 
Subwoofers
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Poly-Planar Waterproof Box Subwoofer - MS56
$189.57 -
Seachoice Subwoofer with LED Illumination - 10" - 800W
$212.14 -
Infinity RGB Reference Series Marine Subwoofer - 10"
$324.89 - $334.82 -
Wet Sounds RECON 10 Free-Air Marine Subwoofer
$465.93 -
Wet Sounds REVO 10 S4 V3 Free-Air Marine Subwoofer
$536.54 -
Wet Sounds ZERO High-Output Sealed Enclosure Marine Subwoofer
$705.64 - $846.65 -
Wet Sounds REVO 12 S4-B V2 Free-Air Marine Subwoofer
$705.74