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.Features2200 Watt Class-D Amplifier135 dB MAX SPL18 Woofer, bass reflex housingDigital Crossover w/ PresetsMulti-ply hardwood polyurea-coatedLiveRemote AppDual XLR/TRS combo Input + Link, Dual XLR Xover OutBass Motion Control excursion managementPowercon True1 Top Sealed AC Connector