Presonus Air XD Sub 18 Powered 18” Subwoofer PCI To prevent lateral movement of

To prevent lateral movement of the footboard

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all at perfect power levels everyone can appreciate and enjoy

provided flexibility

Presonus Air XD Sub 18 Powered 18” Subwoofer PCI To prevent lateral movement ofThe PreSonus Air XD Sub 18 is a high performance active subwoofer designed for professional use, delivering massive low end extension and high SPL for large scale events and installations. Its custom 18 inch low frequency driver with enlarged voice coil provides efficient power handling and deep, punchy bass with minimal distortion, while advanced tuning optionsincluding variable lowpass filtering, alignment delay, and cardioid end fire array