Sundown Audio X-Series v.4 8" Subwoofer | Dual 2 & 4 Ohm | 2500W Peak Power
Notice On Packaging For Subwoofers
Sundown Audio has led the industry in quality and performance for over a decade. To improve accuracy and transparency, we have updated our subwoofer power ratings to reflect true real-world performance.
During this transition, some packaging may show previous ratings. Performance fully aligns with our current published specifications. If you have any questions about authenticity or ratings, please contact directly for confirmation.
The Sundown Audio X-Series v.4 8" Subwoofer delivers unmatched low-end performance in a compact size. Built for enthusiasts who demand real power and precision, this subwoofer combines innovative engineering with the proven reliability of the X-Series lineup.
With up to 1250W RMS and 2500W peak power, the Xv4-8 pushes limits while maintaining crystal-clear sound. Its optimized motor structure and high-excursion design provide deep, distortion-free bass that hits hard and stays clean even at high volumes.
The X-Series v.4 offers flexibility for any setup, available in Dual 2 Ohm (XV48D2) and Dual 4 Ohm (XV48D4) configurations. Whether you prefer sealed or ported enclosures, it’s tuned for outstanding performance with a recommended port tuning of 32Hz for powerful, accurate bass response.
Precision-built from premium materials, this 8" subwoofer is the perfect choice for audiophiles and competitors seeking compact power with uncompromising sound.
Key Features:
Available in Dual 2Ω (XV48D2) and Dual 4Ω (XV48D4) versions
1250W RMS / 2500W Peak Power handling
Optimized for both sealed and ported enclosures
High-excursion design (19mm Xmax) for deep, clean bass
Compact depth (7.56") for versatile installations
Heavy-duty motor (6.88" diameter) for improved cooling and control
Recommended port tuning: 32Hz for balanced output
Durable construction ensures long-term reliability
Technical Specifications :
| Specification | XV48D2 | XV48D4 |
|---|---|---|
| RMS Power | 1250W | 1250W |
| Peak Power | 2500W | 2500W |
| Displacement | 0.13 cu ft | 0.13 cu ft |
| Mounting Depth | 7.56" | 7.56" |
| Outside Diameter | 8.71" | 8.71" |
| Cutout Diameter | 7.375" | 7.375" |
| Motor Diameter | 6.88" | 6.88" |
| Sealed Enclosure | 0.3–0.4 cu ft | 0.3–0.4 cu ft |
| Ported Enclosure | 0.75–1.0 cu ft | 0.75–1.0 cu ft |
| Recommended Port Tuning | 32Hz | 32Hz |
| Recommended Port Area | 12–16 sq in | 12–16 sq in |
| Xmax | 19mm | 19mm |
| RE (ohms) | 3.6 | 6 |
| FS (Hz) | 41.29 | 41.29 |
| QES | 0.436 | 0.497 |
| QMS | 1.941 | 2.3 |
| QTS | 0.356 | 0.409 |
| Sensitivity | 80.1 dB | 79.8 dB |
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