FBT SUBLINE 218SA — Dual 18″ Active Powered Install Subwoofer
SUBLINE 218SA Overview
The FBT SUBLINE 218SA is a dual 18″ active subwoofer built for the most demanding large-scale sound reinforcement environments, including touring productions, installed venues, and high-output live applications. At its core, two 18″ high-excursion woofers with 3″ voice coils are driven by a 1200W RMS Class D amplifier, delivering extreme low-frequency output with clarity and definition. The enclosure is constructed from heavy-duty birch plywood with a scratch-resistant finish, providing the structural integrity required for both permanent installation and touring use. This subwoofer is suited for system integrators, touring companies, and venue operators who require reliable, high-output bass reinforcement.
The SUBLINE 218SA includes reinforced handles, an M20 top mount, and rugged hardware, supporting flexible deployment as a standalone ground-stacked subwoofer or as a base for satellite speaker configurations.
Key Features
- Dual 18″ High-Excursion Woofers — Two 18″ drivers with 3″ voice coils deliver high-displacement, high-output bass performance suited for large-scale applications
- 1200W RMS Class D Amplification — Integrated Class D amplifier provides substantial headroom and efficient power delivery for demanding SPL requirements
- Heavy-Duty Birch Plywood Enclosure — Robust cabinet construction offers long-term durability in both touring and permanent install environments
- Scratch-Resistant Finish — Protective exterior coating maintains appearance and integrity under repeated handling and transport
- M20 Top Mount — Integrated M20 pole cup enables direct satellite speaker mounting for compact, self-contained system configurations
- Reinforced Handles & Rugged Hardware — Purpose-built for repeated rigging, transport, and installation workflows
- Touring & Install Versatility — Hardware and construction standards accommodate both fixed installation and touring deployment scenarios
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