All Comparisons
BIO-15 // 500 Watt RMS 15 Inch Car Subwoofer

BIO-15 // 500 Watt RMS 15 Inch Car Subwoofer

CT Sounds
$99.99
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VS
Down4sound PRO-FAB 12 | 12 Sub Box | Single 12-Inch Ported Subwoofer Enclosure Box

Down4sound PRO-FAB 12 | 12 Sub Box | Single 12-Inch Ported Subwoofer Enclosure Box

Down4Sound
$219.99
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Subwoofer Spec Comparison

ParameterBIO-15 // 500 Watt RMS 15 Inch Car SubwooferDown4sound PRO-FAB 12 | 12 Sub Box | Single 12-Inch Ported Subwoofer Enclosure Box
General
RMS Power500 W3000 W
Electromechanical
Fs (Resonant Frequency)—32 Hz
Physical / Acoustic
Vas (Eq. Compliance)—68 L
Xmax (Excursion)7.5 mm12.7 mm
Sd (Cone Area)824 cm²165.1 cm²