The MAG Audio S218 is a powerful passive subwoofer designed for maximum bass reproduction in both mobile and stationary applications. With two 18″ high-efficiency woofers in a rugged plywood enclosure, the S218 delivers deep, controlled bass response – perfect for cardioid setups or as a standalone sub in larger systems.
Thanks to its thoughtful enclosure design and the use of MAG’s Uni-Preset technology, the MAG Audio S218 is fully optimized in phase behavior. This allows the subwoofer to be combined directly “out of the box” with all MAG Audio loudspeakers, without the need for complex processors, phase adjustments or time corrections. The Uni-Preset approach ensures seamless integration and predictable performance, greatly simplifying system optimization.
The MAG Audio S218 also features SilentFlow™ vent port technology – an advanced port design that optimizes airflow and minimizes turbulence. This results in cleaner, quieter operation at high sound pressures, without distortion or unwanted noise. This keeps the subwoofer sounding tight and controlled even under extreme loads.
The enclosure is designed with intensive use in mind. With integrated rigging points and stacking capabilities, the MAG Audio S218 is suitable for a variety of setups and applications.
Key features
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2× 18″ high power woofers
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3000 W AES / 6000 W program power
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30-150 Hz frequency range
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139 dB max SPL
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Uni-Preset technology: compatible with all MAG systems without external processing
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SilentFlow™ vent port technology: minimal turbulence, maximum output
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Passive design, optimized for cardioid subwoofer arrays
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Rugged plywood housing with polyurea coating
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Integrated rigging and stacking capabilities
Applications
✓ Touring & festivals
✓ Clubs & arenas
✓ Cardioid subwoofer arrays
✓ Mobile sound reinforcement
✓ Fixed installations
Perfectly deployable as part of large cardioid subwoofer arrays, the MAG Audio S218 provides the ideal low-end complement to the WASP-8 Line Array – for maximum control, consistency and impact in any large-scale sound reinforcement application.
