Subwoofer Spec Comparison
| Parameter | 8” Compact Powered Subwoofer | DOWN4SOUND SB 8" SUBWOOFER - 2 OHM DVC | 500W RMS |
|---|---|---|
| General | ||
| RMS Power | 75 W | 500 W |
| Electromechanical | ||
| Re (DC Resistance) | — | 3.8 Ω |
| Fs (Resonant Frequency) | — | 37.05 Hz |
| Qts (Total Q) | — | 0.49 |
| Qes (Electrical Q) | — | 0.582 |
| Qms (Mechanical Q) | — | 3.1 |
| Physical / Acoustic | ||
| Vas (Eq. Compliance) | — | 9.02 L |
| Xmax (Excursion) | — | 21 mm |
| Mms (Moving Mass) | — | 125 g |
| Sd (Cone Area) | — | 210.1 cm² |
| BL (Force Factor) | — | 14.17 T·m |
| SensitivityReported sensitivity values may use different test conditions, so no winner is shown. | — | 80.3 dB |
| Cms (Compliance) | — | 0.14 mm/N |
| EBP (Efficiency Bandwidth Product) | — | 63.66 |
| Ideal Enclosure | — | Flexible (Sealed or Ported) |