The PreSonus Air18S active PA subwoofer exhibits a powerful, clear, and accurate low-end punch that belies its compact, lightweight form factor. An 18" woofer is powered by 1,200 watts delivered by a super-efficient Class D amplifier. A variable lowpass filter dials in your upper frequency limit from sub-bass to full-range, while DSP presets enable extended low-end performance, so creating ground-stacked or endfire subwoofer arrays is child's play. Great for both mobile use and permanent installations, the PreSonus Air18S active PA subwoofer is the perfect complement to your full-range Air10, Air12, or Air18 PA system.

PreSonus Air18S Active PA Subwoofer Features:
1,200W Active PA Subwoofer with 18" LF Driver
Onboard mixer with 2 XLR/TRS combo inputs and stereo 1/8" input
Variable lowpass filter dials in your upper frequency limit from sub-bass to full-range
Convenient DSP presets enable extended low end for ground-stacked or endfire subwoofer arrays
Up to 12m of delay for proper alignment in 3-way system applications
Polarity invert for correcting phase issues
Defeatable front-panel LED for low-visibility installs
Constructed of durable texture-painted birch with a tour-grade 17-gauge steel grille
Ergonomic handles and ground-stacking provisions
Includes castor kit
Carries PreSonus's impressive 6-year warranty

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