All Comparisons
Godzilla 12″ Car Subwoofer | 4700 Watts RMS | Dual Voice Coil 1 Ohm or 2 Ohm

Godzilla 12″ Car Subwoofer | 4700 Watts RMS | Dual Voice Coil 1 Ohm or 2 Ohm

American Bass
$953.65
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VS
H82XX - 8" 1400 Watts RMS Dual 2 Ohm 2.5" V.C. Subwoofer

H82XX - 8" 1400 Watts RMS Dual 2 Ohm 2.5" V.C. Subwoofer

Massive Audio
$299.99
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Subwoofer Spec Comparison

ParameterGodzilla 12″ Car Subwoofer | 4700 Watts RMS | Dual Voice Coil 1 Ohm or 2 OhmH82XX - 8" 1400 Watts RMS Dual 2 Ohm 2.5" V.C. Subwoofer
General
RMS Power4700 W1400 W
Electromechanical
Re (DC Resistance)2 Ω—
Fs (Resonant Frequency)36.72 Hz—
Qts (Total Q)0.45—
Qes (Electrical Q)0.49—
Qms (Mechanical Q)5.19—
Physical / Acoustic
Vas (Eq. Compliance)8.1 L—
Xmax (Excursion)22.5 mm—
Mms (Moving Mass)788.9 g—
Sd (Cone Area)490.8 cm²—
BL (Force Factor)38.2 T·m—
Sensitivity81 dB—
EBP (Efficiency Bandwidth Product)74.939—
Ideal EnclosureFlexible (Sealed or Ported)—