PRESONUS AIR XD Sub 18 Active Extended Definition Subwoofer

The PreSonus AIR XD Sub 18 is an active extended definition subwoofer designed to deliver deep, powerful low frequencies for professional audio applications. Featuring an 18-inch woofer and a 1200W peak Class D amplifier, this subwoofer provides exceptional output and clarity for live sound, installations, and studio environments.

Advantages

With a frequency response down to 30 Hz and a maximum SPL of 132 dB, the AIR XD Sub 18 ensures impactful bass that can fill any venue. The variable crossover and phase invert switch allow seamless integration with full-range speakers, while DSP presets (Normal, Extend, Punch, HPF) offer versatile tuning options. The rugged 15mm birch plywood cabinet and steel grille ensure durability for touring and fixed installations.

Suitable for

• Live sound reinforcement for bands, DJs, and events
• Permanent installations in clubs, theaters, and houses of worship
• Studio monitoring systems requiring extended low-frequency response

Key specifications

• Active subwoofer with 18-inch (457 mm) woofer
• Class D amplifier: 600W RMS, 1200W peak
• Frequency response: 35 Hz - 150 Hz (-3 dB), 30 Hz - 150 Hz (-10 dB)
• Maximum SPL: 132 dB peak
• Inputs: 2 x XLR/TRS combo (balanced)
• Outputs: 2 x XLR (balanced, thru/high-pass)
• Variable crossover: 90, 100, 110, 120 Hz
• Phase invert: 0°/180°
• DSP presets: Normal, Extend, Punch, HPF
• Cabinet: 15mm birch plywood with steel grille
• M20 pole mount for satellite speakers

Recommendations

Pair the AIR XD Sub 18 with PreSonus AIR XD series full-range speakers for a complete, high-performance sound system. For optimal results, use the built-in DSP to tailor the subwoofer's response to your specific application.