ACTIVE SUBWOOFERS

PROFESSIONAL ACTIVE 18-INCH SUBWOOFER

[DETAILS]

RCF SUB 18-AX is a portable 18-inch active subwoofer built for live sound in small to mid-sized venues. Its Class-D amplifier and high-excursion woofer deliver up to 135 dB SPL across a 35–120 Hz response. Integrated DSP centralizes system setup with stereo crossovers, eight-band EQ, delay, routing, cardioid configuration and recallable presets. A 2.4-inch colour touchscreen and Bluetooth control through the LiveRemote app streamline adjustment, while the polyurea-coated plywood cabinet supports regular transport and setup.

KEY FEATURES

• 18-inch bass-reflex woofer with 4-inch voice coil

• Integrated crossover presets and 8-band parametric EQ

• Up to 45 m delay and cardioid configuration

• 2.4-inch colour touchscreen with rotary encoder

• Bluetooth control through the RCF LiveRemote app

ESSENTIAL SPECIFICATIONS

• Frequency response: 35 Hz–120 Hz

• Maximum SPL at 1 m: 135 dB

• Woofer: 1 × 18 inches, 4-inch voice coil

• Input connectors: Combo XLR/Jack

• Output connectors: XLR

• Input sensitivity: -2 dBu / +4 dBu

• Limiter: Soft limiter

SIZE & WEIGHT

• Height: 693 mm

• Width: 505 mm

• Depth: 685 mm

• Weight: 42.9 kg

POWER

• Amplifier power: 2200 W peak, 1100 W RMS

• Power supply: 100–120 V~, 60 Hz or 200–240 V~, 50 Hz

• Mains connections: powerCON TRUE1 TOP input/output