PA SUBWOOFER (SELF-AMPLIFIED) Self-powered subwoofer module designed as low-frequency boost for ETX Series full-range systems. Asymmetrical shaped enclosure built with 18mm birch plywood, EVCoat coated, black finish. Includes 2 handles and 4 transport wheels, tripod / pole mount combined with M20 thread. VLF: 1x 18 'cone speaker (DVX3180A). Incorporates 1x 1,800W power module, DSP with LCD display and associated encoder, FIR-Drive processing, EQ presets for application mode and location (normal / cardioid), 1x PEQ, Delay from 0 - 343m adjustable in steps of 0.25m, adjustable Lo-Pass filter for combination with full range systems, polarity selector. It has 2 inputs with Combo XLR-Jack¼ 'connectors, 2 parallel outputs with XLR connectors. Response -10dB: 32Hz - 180Hz. Max SPL: 135dB. Dimensions (HxWxD): 471 x 576 x 825 mm. Weight: 51.8 kg.