FBT Q 118SA — 1×18″ Active Powered Install Subwoofer
Q 118SA Overview
The FBT Q 118SA is a high-performance active installation subwoofer designed for fixed-install environments where consistent, reliable low-frequency output is essential. At its core is an 18″ woofer with a 4″ voice coil, driven by a 1200W RMS Class D amplifier paired with an efficient switch-mode power supply for stable output across varying load conditions. The onboard DSP provides system integrators with 6 tailored presets and a 6-step digital delay for accurate time alignment within complex multi-zone or multi-element systems. This subwoofer is well suited for system integrators, install contractors, and AV professionals specifying permanent low-frequency reinforcement in venues, houses of worship, and commercial installations.
The switch-mode power supply ensures consistent amplifier performance regardless of mains fluctuations, while the DSP-based preset and delay architecture simplifies commissioning and reduces the need for external processing.
Key Features
- 18″ Woofer with 4″ Voice Coil — Large-format driver delivers extended low-frequency output suited to demanding install applications
- 1200W RMS Class D Amplification — High-efficiency Class D topology provides substantial headroom while minimizing heat generation and power draw
- Switch-Mode Power Supply — Ensures consistent amplifier performance and output stability across varying mains conditions
- Integrated DSP with 6 Presets — Factory-tailored presets allow rapid system configuration and optimization without external processing
- 6-Step Digital Delay — Onboard delay adjustment enables precise time alignment when integrating with satellite speakers or multi-element arrays
- Install-Optimized Design — Purpose-built for permanent fixed installations in venues, houses of worship, commercial spaces, and similar environments
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