The Sundown Audio X-15 V.3 D2 dual subwoofer package is designed for car audio enthusiasts who want deep, powerful bass and dependable performance in a high-output system. Featuring two 15" subwoofers, this setup is ideal for custom trunk builds where strong low-frequency output and durability are essential.

Each Sundown Audio X-15 V.3 D2 subwoofer is rated at 2500-Watts RMS and 5000-Watts peak power handling. Built with a triple-stacked magnet motor, 3" voice coil, and hyper-extended pole piece, these subwoofers are engineered to handle demanding power levels while maintaining consistent performance.

The X-15 V.3 series also features the updated Mega-Roll V.2 surround and a highly linear suspension system. This design allows up to four inches of peak-to-peak excursion and supports 30 mm Xmax, enabling high-excursion performance for strong low-frequency output while helping keep distortion low.

For optimal performance, the X-15 V.3 D2 is designed to operate in ported enclosures. The recommended enclosure size is 4.25 cu ft with 68 sq in of port area and a tuning frequency of 32 Hz. This configuration helps deliver deep bass extension and efficient output.

Key Features:

Dual Sundown Audio X-15 V.3 D2 15" high-output subwoofers

2500-Watts RMS / 5000-Watts peak power handling per subwoofer

Dual 2-Ohm voice coil design for flexible wiring options

Triple-stacked magnet motor structure with improved ventilation

Mega-Roll V.2 surround with extreme excursion capability

30 mm Xmax for deep low-frequency extension

Optimized for high-output ported enclosure systems