All Comparisons
Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 19+ GM/Chevy Crew Cab – Under Seat – No Lift
Down4Sound
$439.99
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Sparked Innovations 12" Bass Blaster SQL Car Audio Subwoofer 2000W DVC
Sparked Innovations
$439.99
View ProductSubwoofer Spec Comparison
| Parameter | Down4Sound PRO-FAB - Birch - 4x 8-Inch Ported Subwoofer Enclosure - 19+ GM/Chevy Crew Cab – Under Seat – No Lift | Sparked Innovations 12" Bass Blaster SQL Car Audio Subwoofer 2000W DVC |
|---|---|---|
| Electromechanical | ||
| Re (DC Resistance) | — | 3.97 Ω |
| Fs (Resonant Frequency) | — | 29.44 Hz |
| Qts (Total Q) | — | 0.48 |
| Qes (Electrical Q) | — | 0.53 |
| Qms (Mechanical Q) | — | 5.82 |
| Physical / Acoustic | ||
| Vas (Eq. Compliance) | — | 13.35 L |
| Mms (Moving Mass) | — | 650.2 g |
| BL (Force Factor) | — | 30.12 T·m |
| Sensitivity | — | 82.9 dB |
| Cms (Compliance) | — | 0.045 mm/N |
| EBP (Efficiency Bandwidth Product) | — | 55.547 |
| Ideal Enclosure | — | Flexible (Sealed or Ported) |