Dual 18-inch sub with 1,000 watts continuous, 4,000 watt peak power handling Tour-proven DL18MT cast-frame woofers deliver solid, reliable performance Oversized vent in the center of the enclosure allows the woofers to move more air with less cone movement and helps prevent power compression Rear-mounted pocket wheels and EV's comfort-lift handles allow one person to move the system comfortably. Comes with corner protectors, EV's comfort-lift handles, metal stand mount and 18-inch steel pole to elevate satellite systems.