18-inch sub with 350 watts continuous, 1,400 watts peak power handling. Cast-frame 18-inch woofer with 4-layer voice coil delivers usable response to 36 Hz. Integral passive crossover allows parallel operation with full-range speakers on a single amp channel. Rear-mounted pocket wheels and detachable luggage-style handle included for easy transportation. Metal stand mount and 34-inch steel pole included for elevating satellite speakers. Only 69 lb.