RCF SUB 18-AX Active 18" Subwoofer w/ Remote Control via Bluetooth

RCF SUB 18-AX Active 18" Subwoofer w/ Remote Control via Bluetooth

RCF SUB 18-AX Active 18" Subwoofer w/ Remote Control via Bluetooth

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The SUB 18‑AX is a portable 18" high‑power active subwoofer designed for live sound applications, offering fully featured DSP, a colour touch panel, and remote control via Bluetooth®. Combining a modern transducer with a robust Class‑D amplifier, it delivers up to 135 dB SPL with excellent clarity and headroom. Ideal for portable use in small to mid‑sized venues, this sub provides punchy low-end performance in a compact, road-ready format.

Optimised for use with 10", 12" or 15" top boxes, the SUB 18‑AX includes built-in dual crossovers, 8-band EQ, routing options, cardioid presets, delay alignment, and recallable crossover configurations. The rugged multi-ply hardwood enclosure is finished in a polyurea coating for durability and features a sealed Powercon True1 Top connector for reliable AC power input. The included LiveRemote App offers wireless control over all parameters, making it easy to fine-tune your setup from anywhere in the room.

  • 2200 Watt Class‑D amplifier
  • 135 dB max SPL
  • 18" woofer with bass reflex housing
  • Digital crossover with recallable presets
  • Multi‑ply hardwood cabinet with polyurea coating
  • LiveRemote App for wireless control
  • Dual XLR/TRS combo inputs and link outputs
  • Dual XLR crossover outputs
  • Bass Motion Control excursion management
  • Sealed Powercon True1 Top AC connector