The LA1422SA Active Line Array Subwoofer boasts an 800W rated power, 8Ω impedance, and features a single 18" driver unit. With a maximum SPL of 127±2dB and a sensitivity of 99±2dB, it delivers a frequency response from 38Hz to 220Hz. Measuring 520mm x 500mm x 650mm and weighing 44kg, this subwoofer is equipped with a 1500W amplifier output and requires an AC190-240V/50Hz power supply.