Subwoofer Spec Comparison
| Parameter | Alpine 10 inch Subwoofer and Box for Cab Truck | R2D4-12 12" Prime R2 Series Subwoofer |
|---|---|---|
| General | ||
| RMS Power | — | 250 W |
| Electromechanical | ||
| Re (DC Resistance) | — | 7.17 Ω |
| Fs (Resonant Frequency) | — | 34.9 Hz |
| Qts (Total Q) | — | 0.6 |
| Qes (Electrical Q) | — | 0.66 |
| Qms (Mechanical Q) | — | 7.33 |
| Le (Inductance) | — | 3.9 mH |
| Physical / Acoustic | ||
| Vas (Eq. Compliance) | — | 68.8 L |
| Xmax (Excursion) | — | 6.5 mm |
| Sd (Cone Area) | — | 539.1 cm² |
| SensitivityReported sensitivity values may use different test conditions, so no winner is shown. | — | 89 dB |
| EBP (Efficiency Bandwidth Product) | — | 52.879 |
| Ideal Enclosure | — | Flexible (Sealed or Ported) |