"B-Stock, EV ELX200-12S, 12"" passive subwoofer system, Power: 400 Watt/RMS, 1600 Watt/Peak, max SPL 129 dB, frequency response 42 Hz - 220 Hz, speaker twist dual NL4, impedance 8 Ohms, integrated mounting plate for distance pole with M20-thread, 2...