RCF SUB 18-AX Professional Powered 18″ Subwoofer – White

The SUB 18-AX is a high-performance 18″ active subwoofer tailored for portable live sound and small to mid-sized venues. It integrates a robust 2200W Class-D amplifier and a state-of-the-art DSP engine with features such as a digital crossover, 8-band EQ, delay up to 45 meters, and cardioid configuration. A 2.4-inch color touch panel and rotary encoder enable fast, intuitive setup, while Bluetooth® connectivity allows remote control via the RCF LiveRemote App. The BMC (Bass Motion Control) system provides extended low-frequency response with superior transducer stability. Its road-ready cabinet features a polyurea-coated plywood design, ergonomic handles, and a Powercon TRUE1 TOP connector for secure power delivery.

Features

• 2200 Watt Class-D amplifier

• 135 dB max SPL

• 18” woofer with bass reflex design

• Digital crossover with presets

• 2.4-inch color touch panel and rotary encoder

• Swipe gestures for fast navigation

• Advanced DSP with 8-band parametric EQ and delay up to 45m

• Cardioid function and top/sub alignment

• Eight recallable snapshots

• Bluetooth® remote control via RCF LiveRemote App (iOS/Android)

• Rugged plywood cabinet with polyurea coating

• Ergonomic rubber-grip handles and M20 threaded pole mount

• Bass Motion Control (BMC) excursion management

• Dual XLR/TRS combo input + XLR crossover output

• Powercon TRUE1 TOP sealed AC connector

Specifications