All Comparisons
Black Diamond 12” Dual 3” Voice Coil Subwoofer with Aluminum Basket | 4-Ohm

Black Diamond 12” Dual 3” Voice Coil Subwoofer with Aluminum Basket | 4-Ohm

DS18
$164.95
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VS
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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Subwoofer Spec Comparison

ParameterBlack Diamond 12” Dual 3” Voice Coil Subwoofer with Aluminum Basket | 4-OhmDown4sound PRO-FAB Birch FLAT PACK 12 | 1 12 Sub Box | DIY 12-Inch Ported Subwoofer Enclosure Box
Electromechanical
Fs (Resonant Frequency)—32 Hz
Physical / Acoustic
Vas (Eq. Compliance)—68 L
Sd (Cone Area)—165.1 cm²