All Comparisons
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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VS
t1d212 12" Dual 2 Ohm Car Subwoofer

t1d212 12" Dual 2 Ohm Car Subwoofer

Rockford Fosgate
$539.99
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Subwoofer Spec Comparison

ParameterDown4sound PRO-FAB Birch FLAT PACK 12 | 1 12 Sub Box | DIY 12-Inch Ported Subwoofer Enclosure Boxt1d212 12" Dual 2 Ohm Car Subwoofer
General
RMS Power—800 W
Electromechanical
Re (DC Resistance)—3.25 Ω
Fs (Resonant Frequency)32 Hz28 Hz
Qts (Total Q)—0.52
Qes (Electrical Q)—0.59
Qms (Mechanical Q)—4.5
Le (Inductance)—1.8 mH
Physical / Acoustic
Vas (Eq. Compliance)68 L55.8 L
Xmax (Excursion)—16 mm
Sd (Cone Area)165.1 cm²548 cm²
Sensitivity—85 dB
EBP (Efficiency Bandwidth Product)—47.458
Ideal Enclosure—Sealed