PreSonus AIR XD Sub 18 – 18” Active Extended Definition Subwoofer

The PreSonus AIR XD Sub 18 is a professional active subwoofer designed to deliver deep, powerful bass for live sound, mobile setups, and permanent installations. With its custom 18-inch driver, 2,000W Class D amplifier, and advanced DSP, it produces thunderous low-end with precision and headroom. Featuring Bluetooth stereo pairing, multiple DSP presets, and rugged portability, the AIR XD Sub 18 is built for professionals who need uncompromising bass performance in large-scale applications.

Key Features

• Custom 18” LF driver: Enlarged voice coil for deep, accurate bass and maximum power handling
• 2,000W Class D amplifier: Delivers up to 130 dB SPL with clean, consistent output
• Extended frequency response: Reaches as low as 33 Hz for massive low-end depth
• Advanced DSP control: Variable lowpass filter, alignment delay, cardioid and end-fire array presets
• Wireless integration: Bluetooth with TWS Bridge Mode for pairing with AIR XD full-range speakers
• Intuitive operation: Full-color 2.6” LCD for metering, DSP control, and quick setup
• Rugged enclosure: Wooden cabinet with ergonomic handles, stacking points, and caster mounts for easy transport

Customer Benefits

The AIR XD Sub 18 delivers the chest-rattling low-end needed for festivals, large venues, and touring systems. Its powerful DSP tools let sound engineers tailor the bass to the environment, while Bluetooth integration and flexible routing make it easy to adapt to any setup. Rugged construction ensures durability and portability.

Quick Specs

• Type: Active subwoofer
• Driver: 18” custom LF driver with enlarged voice coil
• Amp Power: 2,000W Class D
• Max SPL: 130 dB
• Frequency Response: 47 Hz – 103 Hz (-3 dB), 33 Hz – 131 Hz (-10 dB)
• DSP Features: Variable lowpass filter, alignment delay, cardioid & end-fire array presets, “Mo’ Bass” enhancement
• Controls/Display: 2.6” full-color LCD
• Connectivity: Dual combo inputs with direct outputs
• Bluetooth: TWS Bridge Mode for wireless stereo pairing
• Enclosure: Rugged wood with ergonomic handles, stacking points, caster mounts

What’s in the Box

• PreSonus AIR XD Sub 18 subwoofer
• Power cable
• User documentation

Use Cases / Ideal For

Perfect for large venues, touring systems, DJs, festivals, and professional sound reinforcement requiring extended, powerful bass.

Pros & Cons

✅ Pros:

• Massive bass extension down to 33 Hz
• 2,000W amplifier with 130 dB SPL for large-scale applications
• Advanced DSP with cardioid and end-fire presets
• Bluetooth TWS pairing for wireless integration
• Rugged design with caster mounts for portability

⚠️ Cons:

• Large and heavy compared to smaller subs—best for pro setups
• Most effective when paired with AIR XD full-range speakers

The PreSonus AIR XD Sub 18 is a powerhouse subwoofer designed for professionals who need deep, accurate, and high-SPL bass in demanding environments.