The RCF SUB 8003‑AS MK3 is a high-performance, self-powered subwoofer designed for professional audio reinforcement. Featuring an 18" woofer with a 4.0" voice coil and ceramic magnet, it delivers a frequency response from 35 Hz to 120 Hz and a maximum SPL of 135 dB. The internal 2200 W amplifier with proprietary Bass Motion Control DSP ensures deep, balanced bass with high sound integrity. Onboard controls include selectable gain, crossover frequency, cardioid mode, polarity selection, and output delay, while stereo XLR inputs and outputs simplify system integration. Built with a rugged multi-ply hardwood cabinet with polyurea coating, this subwoofer is stackable and road-ready for touring, live events, and club installations.
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