ST-12PRO: SubTerrain™ Pro underground subwoofer, 12" Driver, 400 watts, 4Ω/70v switchable, green. Sold each.

TruAudio SubTerrain™ Pro underground subwoofer 12 inch Driver 400 watts 4 ohm/70v switchable Green. TruAudio's outdoor SubTerrain™ Pro Series subwoofers are an upgraded design of our original SubTerrains. The Pro Series has a sealed design, seamless waterproof enclosure, built-in handles, and anchor points. TruAudio’s outdoor SubTerrain™ Pro Series has upgraded to a 40% smaller footprint that enables easier ground installation along with the convenient built-in handles, a sealed-enclosure in order to eliminate the chance of water leaking into the enclosure, the woofer is also positioned methodically on top of the chamber to allow serviceability without having to dig up the entire subwoofer, included anchor points on the exterior of the sub in order to avoid floating up out of the dirt when in high-moisture environments, and a better output to blow your outdoor guests out of the park.