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

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.