Sound Barrier iLX218DSUB — Dual 18″ Active Subwoofer with Selectable Crossover
iLX218DSUB Overview
The Sound Barrier iLX218DSUB is an ultra-high-output dual 18-inch active subwoofer built for large-format sound reinforcement, touring systems, outdoor events, and venues demanding maximum low-frequency impact. Powered by a Class-D amplification platform, the iLX218DSUB delivers massive bass output with controlled response and dependable thermal performance across extended operating periods. A selectable crossover frequency switch (80Hz, 100Hz, 120Hz, or 150Hz) and 0°/180° phase switch provide the acoustic alignment flexibility required for complex multi-cabinet deployments. This subwoofer is designed for touring engineers, system integrators, and venue operators who require uncompromising low-frequency output with straightforward analog control.
The iLX218DSUB’s Full/High-Pass Filter output switch and Ground Lift switch streamline integration with top cabinets while addressing common noise issues in demanding signal environments.
Key Features
- Dual 18-Inch Drivers — Two 18-inch woofers deliver exceptional depth, punch, and projection for high-energy music and large audience coverage
- Class-D Amplification — High-efficiency amplifier platform provides massive output with reliable thermal management under sustained professional use
- Selectable Crossover Frequency — Four-position switch selects 80Hz, 100Hz, 120Hz, or 150Hz crossover points to match a wide range of top cabinet configurations
- Phase Switch (0° / 180°) — Enables proper acoustic alignment when integrating with full-range cabinets in varied deployment geometries
- Full / High-Pass Filter Output Switch — Sends either a full-range signal or a high-pass filtered signal (above 120Hz) to connected top cabinets, eliminating the need for an external crossover in many applications
- Ground Lift Switch — Reduces unwanted hum and noise in challenging signal environments common to large-scale live events
- Large-Format Design — Engineered specifically for outdoor events, touring systems, and venues requiring maximum low-frequency coverage and projection

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