Subwoofer Spec Comparison
| Parameter | RS Entry-Level 500W D4 15" Subwoofer | TUB10 Nippon 10 Subwoofer Tube Box |
|---|---|---|
| General | ||
| RMS Power | 500 W | — |
| Electromechanical | ||
| Re (DC Resistance) | 7.6 Ω | — |
| Fs (Resonant Frequency) | 27.3 Hz | — |
| Qts (Total Q) | 0.64 | — |
| Qes (Electrical Q) | 0.72 | — |
| Qms (Mechanical Q) | 5.44 | — |
| Le (Inductance) | 3.82 mH | — |
| Physical / Acoustic | ||
| Vas (Eq. Compliance) | 142.2 L | — |
| Xmax (Excursion) | 8.5 mm | — |
| Mms (Moving Mass) | 244.6 g | — |
| BL (Force Factor) | 21 T·m | — |
| SensitivityReported sensitivity values may use different test conditions, so no winner is shown. | 87.9 dB | — |
| Cms (Compliance) | 0.14 mm/N | — |
| EBP (Efficiency Bandwidth Product) | 37.917 | — |
| Ideal Enclosure | Sealed | — |