All Comparisons
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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XMAXXX Monster 18″ Car Subwoofer | 4000 Watts RMS | Dual Voice Coil 1 Ohm or 2 Ohm
American Bass
$1094.50
View ProductSubwoofer Spec Comparison
| Parameter | Down4sound PRO-FAB Birch FLAT PACK 12 | 1 12 Sub Box | DIY 12-Inch Ported Subwoofer Enclosure Box | XMAXXX Monster 18″ Car Subwoofer | 4000 Watts RMS | Dual Voice Coil 1 Ohm or 2 Ohm |
|---|---|---|
| General | ||
| RMS Power | — | 4000 W |
| Electromechanical | ||
| Fs (Resonant Frequency) | 32 Hz | — |
| Physical / Acoustic | ||
| Vas (Eq. Compliance) | 68 L | — |
| Sd (Cone Area) | 165.1 cm² | — |