Sundown Audio X-Series v.4 8" Subwoofer | Dual 2 & 4 Ohm | 2500W Peak Power

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