All Comparisons
Quad 6.5 or 8" Custom Kerf Ported Subwoofer Box

Quad 6.5 or 8" Custom Kerf Ported Subwoofer Box

Down4Sound
$879.99
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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

ParameterQuad 6.5 or 8" Custom Kerf Ported Subwoofer BoxZVX-15v2 | 15" 3,000 Watt Max Power Car Subwoofer
General
RMS Power—1500 W