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FBT Subline 218S Passive 2400W Dual 18-Inch Birch Plywood Subwoofer
This passive subwoofer features dual 18-inch high-excursion woofers with four-inch voice coils for deep, impactful low-frequency reproduction. Constructed from 0.59-inch Baltic birch plywood, the enclosure includes internal reinforcement to eliminate resonance and ensure structural integrity. The bass-reflex design delivers a high sound pressure level, making it ideal for large-scale sound reinforcement applications. Dual Neutrik Speakon connectors provide reliable signal pass-through and secure connectivity across professional systems. An integrated M20 pole mount allows for versatile satellite speaker configurations in mobile or permanent installations. The durable tour-grade finish protects the cabinet during heavy transport and intensive professional usage. This professional-grade unit handles 2400W RMS to provide consistent performance in demanding acoustic environments.

Driver Configuration 2 x 18-inch Woofers with 4-inch Voice Coils
Power Handling 2400W RMS / 4800W Peak
Impedance 4 Ohms
Frequency Response 30Hz - 120Hz (-6dB)
Maximum SPL 137dB Continuous / 141dB Peak
Enclosure Material 15mm (0.59") Baltic Birch Plywood
Input Connectors 2 x Neutrik Speakon NL4
Mounting M20 Top Mount Pole Socket
Handles 6 x Integrated Aluminum Handles

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