The Sundown Audio Xv4 12" Subwoofer is built for those who demand real power and precision in their sound system. Designed with premium Xv4 coils, this subwoofer delivers a massive 3000W RMS and 6000W peak power while maintaining outstanding clarity and control.
With a durable, heavy-duty motor and optimized cooling system, the Xv4 ensures consistent performance even during extended play. Whether you’re upgrading your car audio or building a competition-level system, this subwoofer delivers thunderous low frequencies that stay tight and accurate.
The precision-engineered cone and suspension system provide minimal distortion and maximum output. Pair it with a well-tuned ported enclosure for deep, room-shaking bass that brings your music to life.
Built to handle extreme sound pressure, the Xv4 series continues Sundown Audio’s legacy of reliability, innovation, and unmatched performance.
12-inch subwoofer with Xv4 voice coils
RMS Power: 3000W, Peak Power: 6000W
Available in Dual 1 & Dual 2 Ohm
High-efficiency motor structure with strong BL factor
Optimized for ported enclosures (2.5 cu. ft @ 32Hz)
Xmax: 30mm for deep excursion and accurate bass
Reinforced cone for durability under extreme pressure
Designed for audiophiles and SPL enthusiasts
| Specification | XV4 12D1 | XV4 12D2 |
|---|---|---|
| RMS Power | 3000W | 3000W |
| Peak Power | 6000W | 6000W |
| Displacement | 0.23 cu.ft | 0.23 cu.ft |
| Mounting Depth | 11.75" | 11.75" |
| Outside Diameter | 12.81" | 12.81" |
| Cutout Diameter | 11.09" | 11.09" |
| Motor Diameter | 9.25" | 9.25" |
| Sealed Enclosure | Not Recommended | Not Recommended |
| Ported Enclosure | 2.5 cu.ft @ 32Hz | 2.5 cu.ft @ 32Hz |
| Recommended Port Area | 40 sq in | 40 sq in |
| 4th Order Sealed Side | 1.0 cu.ft | 1.0 cu.ft |
| 4th Order Ported Side | 3.0 cu.ft | 3.0 cu.ft |
| 4th Order Port Area | 60 sq in | 60 sq in |
| 4th Order Port Length | 8" | 8" |
| Xmax | 30mm | 30mm |
| Sd (Cone Area) | 44.11 | 44.11 |
| Re (Ω) | 2.05 | 3.25 |
| Fs (Hz) | 39.39 | 36.06 |
| Vas (L) | 14.13 | 15.75 |
| Qes | 0.58 | 0.54 |
| Qms | 4.95 | 4.82 |
| Qts | 0.50 | 0.49 |
| Le (mH) | 1.33 | 2.6 |
| BL (NA) | 24.4 | 22.25 |
| Mms (g) | 343.14 | 367.13 |
| Cms | 47.56 | 53.04 |
| Sensitivity (dB) | 83.47 | 83.06 |
| T/S Specs | |
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RMS Power (D2)
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RMS Power (D1)
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Peak Power (D1)
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Peak Power (D2)
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RE D1 (Ohms)
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RE D2 (Ohms)
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FS D1 (Hz)
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FS D2 (Hz)
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VAS D1 (L)
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VAS D2 (L)
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Qes D1
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Qes D2
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Qms D1
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Qms D2
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Qts D1
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Qts D2
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Le D1 (mH)
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Le D2 (mH)
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BL D1 (NA)
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BL D2 (NA)
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Mms D1 (Grams)
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Mms D2 (Grams)
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Cms D1 (uM/N)
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Cms D2 (uM/N)
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Sens D1 (dB @ 1w/1m)
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Sens D2 (dB @ 1w/1m)
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Xmax D1
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Xmax D2
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| Subwoofer Measurements | |
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Displacement (Inches)
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Depth (Inches)
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Cutout (Inches)
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Motor Diameter (Inches)
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| Ported Enclosure Specs | |
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Ported Enclosure Size
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Recommended Port Area
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Recommended Port Tuning
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| 4th Order Enclosure Specs | |
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4th Order Sealed Side
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4th Order Ported Side
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4th Order Port Area
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4th Order Port Length
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