DB Drive WDX8G5R.2 : 8 in. Dual 2-Ohm Subwoofer Marine Speaker Enclosures Upgrade this kit to fit

Upgrade this kit to fit Ultra's by adding:• (1pr) TMS5 tour-pack speakers (see below)

Subwoofer Grille (Optional): The Alpine S2-SB12 does not include a grille for the driver

Equipped with audiophile-grade RCA connectors and double-sided PCB

26 L One-Way Linear Excursion (Xmax)* 0

Flush Mount Fixture Diameter (A1) 2

DB Drive WDX8G5R.2 : 8 in. Dual 2-Ohm Subwoofer Marine Speaker Enclosures Upgrade this kit to fitDesigned for true bass enthusiasts, the WDX Reference subwoofers offer unmatched power and precision. Featuring a custom mounting gasket for a perfect seal, eliminating rear canceling waves for pure bass. All new dust caps and a custom tooled aluminum basket provide durability, rigidity, and optimal heat dissipation. The custom ribbed surround and High Excursion motor with Y35 ferrite magnets and high temperature voice coils deliver deep, distortion