The PreSonus AIR XD Sub 18 is a high-performance active subwoofer designed to deliver powerful, extended low-frequency response for live sound, DJs, venues, churches, and mobile PA systems. Built around a robust 18-inch driver and high-efficiency Class-D amplification, it produces deep, tight bass with impressive output and clarity. With 2,000 watts of peak power, the AIR XD Sub 18 delivers massive low-end impact while maintaining precision and control. Its advanced onboard DSP provides flexible tuning options, including adjustable low-pass filtering, alignment delay, and cardioid/end-fire array presets — making it ideal for both single-sub setups and larger multi-sub systems. Connectivity is straightforward and professional, featuring dual XLR/TRS combo inputs and balanced XLR outputs for easy integration with full-range speakers and mixers. The rugged wooden enclosure is built for durability on the road while maintaining a clean, professional look.
18″ high-excursion low-frequency driver
2,000W peak Class-D power
Onboard DSP with adjustable crossover and delay
Cardioid and end-fire array presets
Dual XLR/TRS combo inputs
Balanced XLR outputs
Durable wooden cabinet construction
The AIR XD Sub 18 is ideal for users who need reliable, room-filling bass with professional control and performance in demanding live environments.