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

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

Down4Sound
$469.99
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VS
ZVX-15v2 | 15" 3,000 Watt Max Power Car Subwoofer

ZVX-15v2 | 15" 3,000 Watt Max Power Car Subwoofer

Skar Audio
$382.49
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Subwoofer Spec Comparison

ParameterDown4Sound PRO-FAB - Birch - 4x 6.5-Inch Ported Subwoofer Enclosure – 99-07 Chevy/GMC Crew Cab – Behind SeatZVX-15v2 | 15" 3,000 Watt Max Power Car Subwoofer
General
RMS Power—1500 W
Electromechanical
Fs (Resonant Frequency)34.38 Hz—