RCF SUB 18-AX Active 18-Inch Powered Subwoofer

Drive the Rhythm of the Beat with the RCF SUB 18-AX Active 18-Inch Powered Subwoofer

The SUB 18-AX is a portable 18" high-power active subwoofer for live sound applications with fully featured processing, a color touch panel, and remote control via Bluetooth®. The combination of a latest-generation transducer with a powerful Class-D amplifier delivers sound pressure levels up to 135 dB with exceptional clarity and headroom. SUB AX subwoofers are designed specifically for small to mid-sized venues and ideal for portable applications. SUB 18-AX is the ideal complement for 10", 12” or 15" woofer-size loudspeakers; it centralizes speaker management inside the subwoofer, providing dual crossovers, 8-band EQs, routing, delays, cardioid configurations, and recallable crossover presets. The polyurea-coated all-wood cabinet features a sealed Powercon True1 Top connector.

• 2200 Watt Class-D Amplifier
• 133 dB MAX SPL
• 15” Woofer, bass reflex housing
• Digital Crossover w/ Presets
• Multi-ply hardwood polyurea-coated
• LiveRemote App
• Dual XLR/TRS combo Input + Link, Dual XLR Xover Out
• Bass Motion Control excursion management
• Powercon True1 Top Sealed AC Connector

SPECIFICATIONS

• Frequency Response: 35 Hz ÷ 120 Hz
• Max SPL @ 1m: 135 dB
• Woofer: 1 x 18'', 4.0'' voice coil
• Input Signal: Balanced/Unbalanced
• Input Connectors: Combo XLR/Jack
• Output Connectors: XLR
• Input Sensitivity: -2 dBu/+4 dBu
• Protections: Thermal
• Limiter: Soft Limiter
• Controls: Encoder for Volume control and data entry, Touch Screen for parameter management and monitor
• Total Power: 2200 W Peak, 1100 W RMS
• Cooling: Convection
• Connections: Powercon TRUE1 TOP IN/OUT
• Safety Agency: CE compliant
• Handles: 1 handle per side
• Pole Mount/Cap: Yes
• Color: Black, White
• Dimensions: Height 693 mm / 27.28 inches, Width 505 mm / 19.88 inches, Depth 685 mm / 26.97 inches
• Weight: 37.6 kg / 82.89 lbs
• Shipping Dimensions: Height 735 mm / 28.94 inches, Width 745 mm / 29.33 inches, Depth 565 mm / 22.24 inches
• Shipping Weight: 44 kg / 97 lbs

We are Musictoner Musictoner

Since 1958, Chuck Levin’s Musictoner has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.