All Comparisons
Down4sound PRO-FAB Birch FLAT PACK 2 15 | 2 15 Sub Box | DIY Dual 15-Inch Ported Subwoofer Enclosure Box
Down4Sound
$279.99
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Subwoofer Spec Comparison
| Parameter | Down4sound PRO-FAB Birch FLAT PACK 2 15 | 2 15 Sub Box | DIY Dual 15-Inch Ported Subwoofer Enclosure Box | TUB10 Nippon 10 Subwoofer Tube Box |
|---|---|---|
| Electromechanical | ||
| Fs (Resonant Frequency) | 31 Hz | — |
| Physical / Acoustic | ||
| Vas (Eq. Compliance) | 186.4 L | — |