All Comparisons
King 18″ Car Subwoofer | 6500 Watts RMS | Dual Voice Coil 1 Ohm or 2 Ohm

King 18″ Car Subwoofer | 6500 Watts RMS | Dual Voice Coil 1 Ohm or 2 Ohm

American Bass
$2035.00
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VS
Down4sound PRO-FAB Birch FLAT PACK 12 | 1 12 Sub Box | DIY 12-Inch Ported Subwoofer Enclosure Box

Down4sound PRO-FAB Birch FLAT PACK 12 | 1 12 Sub Box | DIY 12-Inch Ported Subwoofer Enclosure Box

Down4Sound
$139.99
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Subwoofer Spec Comparison

ParameterKing 18″ Car Subwoofer | 6500 Watts RMS | Dual Voice Coil 1 Ohm or 2 OhmDown4sound PRO-FAB Birch FLAT PACK 12 | 1 12 Sub Box | DIY 12-Inch Ported Subwoofer Enclosure Box
General
RMS Power6500 W—
Electromechanical
Fs (Resonant Frequency)—32 Hz
Physical / Acoustic
Vas (Eq. Compliance)—68 L
Sd (Cone Area)—165.1 cm²