Presonus Air 18 S

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