Sundown Audio
SUNDOWN AUDIO XV4 18 INCH Subwoofer D2 | 3000W RMS Subwoofer
- SKU:
- SW-XV418D2
- MPN:
- SW-XV418D2
- Condition:
- New
Description
The Sundown Xv4 18″ Subwoofer delivers unmatched power and control for serious bass enthusiasts. Built with high-grade X v.4 coils, this subwoofer is designed to handle up to 3000W RMS and 6000W peak power, ensuring maximum output without distortion.
Its optimized design enhances air movement and cooling, providing long-lasting performance even under heavy use. The advanced motor structure and large cone area (SD 113.41) create powerful low-frequency response and clean sound reproduction.
Perfect for sealed or ported enclosures, the Xv4 18″ gives you flexibility in setup and tuning — whether for SPL competition or everyday high-quality listening.
Durable, reliable, and beautifully crafted, this subwoofer is the next-level upgrade your sound system deserves.
Key Features
-
18″ Xv4 Series Subwoofer
-
3000W RMS / 6000W Peak Power
-
Dual 1-Ohm or Dual 2-Ohm Voice Coil Options
-
Precision-engineered X v.4 Coils for stability
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Heavy-duty motor with 9.25″ diameter
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Deep bass response with 30 mm Xmax
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Sealed or ported enclosure compatibility
-
Recommended Port Tuning: 32 Hz
-
Built for extreme durability and clean sound
Technical Specifications
| Specification | Value |
|---|---|
| RMS Power | 3000 W |
| Peak Power | 6000 W |
| Displacement | 0.28 cu ft |
| Mounting Depth | 15″ |
| Outside Diameter | 18.42″ |
| Cutout Diameter | 16.69″ |
| Motor Diameter | 9.25″ |
| Sealed Enclosure | Not Recommended |
| Ported Enclosure | 7.00 cu ft |
| Recommended Port Tuning | 32 Hz |
| Recommended Port Area | 112 sq in |
| 4th Order Sealed Side | 3.0 cu ft |
| 4th Order Ported Side | 9.0 cu ft |
| 4th Order Port Area | 180 sq in |
| 4th Order Port Length | 8″ |
| Xmax | 30 mm |
| SD (Cone Area) | 113.41 |
| RE (Ohms) | 2.05 / 3.74 |
| FS (Hz) | 25.87 / 25.58 |
| VAS (L) | 93.67 |
| Qes | 0.63 / 0.55 |
| Qms | 4.13 / 4.03 |
| Qts | 0.54 / 0.84 |
| BL (NA) | 19.74 / 26.8 |
| Mms | 737.81 / 656.74 |
| Sensitivity | 86 / 87 dB |
| T/S Specs | |
|---|---|
| RMS Power (D2) | |
| RMS Power (D1) | |
| Peak Power (D1) | |
| Peak Power (D2) | |
| RE D1 (Ohms) | |
| RE D2 (Ohms) | |
| FS D1 (Hz) | |
| FS D2 (Hz) | |
| VAS D1 (L) | |
| VAS D2 (L) | |
| Qes D1 | |
| Qes D2 | |
| Qms D1 | |
| Qms D2 | |
| Qts D1 | |
| Qts D2 | |
| BL D1 (NA) | |
| BL D2 (NA) | |
| Mms D1 (Grams) | |
| Mms D2 (Grams) | |
| Cms D1 (uM/N) | |
| Cms D2 (uM/N) | |
| Sens D1 (dB @ 1w/1m) | |
| Sens D2 (dB @ 1w/1m) | |
| Xmax D1 | |
| Xmax D2 | |
| Subwoofer Measurements | |
| Displacement (Inches) | |
| Depth (Inches) | |
| Cutout (Inches) | |
| Motor Diameter (Inches) | |
| Ported Enclosure Specs | |
| Ported Enclosure Size | |
| Recommended Port Area | |
| Recommended Port Tuning | |
| 4th Order Enclosure Specs | |
| 4th Order Sealed Side | |
| 4th Order Ported Side | |
| 4th Order Port Area | |
| 4th Order Port Length | |
Warranty Information
Warranty Information
Sundown Audio requires us to send customers with equipment problems directly to them for all warranty and non-warranty claims. Please follow their proceedures..
Sundown Audio RMA form: https://sundownaudio.com/support/return-authorization-form/
Sundown Audio Product Warranty Information: https://sundownaudio.com/warranty/