All Comparisons
Level 4 15 M4  (1500-watts-RMS)-DVC-4OHM

Level 4 15 M4 (1500-watts-RMS)-DVC-4OHM

DC Audio
$525.00
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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

ParameterLevel 4 15 M4 (1500-watts-RMS)-DVC-4OHMDown4sound PRO-FAB 12 | 12 Sub Box | Single 12-Inch Ported Subwoofer Enclosure Box
General
RMS Power1500 W3000 W
Electromechanical
Re (DC Resistance)8.6 Ω—
Fs (Resonant Frequency)43 Hz32 Hz
Qts (Total Q)0.615—
Qes (Electrical Q)0.66—
Qms (Mechanical Q)7.92—
Le (Inductance)5.62 mH—
Physical / Acoustic
Vas (Eq. Compliance)17.42 L68 L
Xmax (Excursion)23.5 mm12.7 mm
Mms (Moving Mass)232.7 g—
Sd (Cone Area)823 cm²165.1 cm²
BL (Force Factor)28.49 T·m—
Sensitivity84 dB—
Cms (Compliance)0.058 mm/N—
EBP (Efficiency Bandwidth Product)65.152—
Ideal EnclosureFlexible (Sealed or Ported)—