In response to customer requests for a powered folded horn, the Cerwin-Vega EL-36DP folded horn subwoofer has a 2000-watt Class D amplifier capable of delivering 136dB with extended bass down to 36Hz. Cerwin-Vega's TourShield protector and a sleek all-black finish, these powered speakers build on Cerwin-Vega's subwoofer design and legacy of performance. XLR inputs and outputs plus a selectable crossover give the Cerwin-Vega EL36DP the flexibility you need to excel in any situation..PZA MORE SPECS