FBT SUBLINE 118SA - Active Subwoofer

• Active 18" bass-reflex subwoofer for PA, live and installation applications
• Powerful 18-inch high-excursion woofer with a 3-inch voice coil
• 1200-watt RMS Class D power amplifier for powerful bass performance
• 2400 watts peak power for high dynamic headroom
• Frequency response from 33 Hz to 100 Hz for deep sub-bass reproduction
• Maximum sound pressure level of 137 dB peak in a half-space
• Integrated DSP with 6 presets for quick adaptation to different applications
• Presets such as Original, Deep, DJ, Infra and Extended for flexible sound tuning
• Cardioid preset for controlled bass dispersion and reduced low-frequency output on stage
• 6-step delay for precise delay time adjustment in a sub-satellite setup
• 0°/180° phase reversal switch for optimal integration with top speakers
• Stereo XLR inputs and outputs for easy integration into professional PA systems
• Robust 0.70" birch plywood cabinet with scratch-resistant black finish
• M20 flange for direct mounting of a spacer bar for satellite speakers
• Two ergonomic aluminium handles for comfortable transport, despite a weight of 43.5 kg

The FBT Subline 118SA is a compact, active bass-reflex subwoofer designed for professional PA applications, live sound, DJs, clubs, bars, event technology and fixed installations. With its powerful 18"-high-excursion woofer featuring a 3"-voice coil, it delivers punchy, deep bass reproduction down to 33 Hz, providing the essential foundation for modern sound reinforcement systems.

The subwoofer is powered by an efficient 1200-watt RMS Class D amplifier with 2400 watts of peak power. As a result, the Subline 118SA offers high dynamic headroom and achieves a maximum sound pressure level of 137 dB peak – ideal for all applications where controlled, rich bass is required. The integrated DSP provides 6 presets, including Original, Deep, DJ, Infra and Extended, allowing the sound to be quickly adapted to the music style, room and setup.

For professional use, the FBT Subline 118SA offers practical connection and adjustment options: stereo XLR inputs and outputs, a 6-step delay function, 0°/180° phase reversal, and cardioid options for precise bass control on stage. The robust cabinet, made from 0.70" birch plywood with a scratch-resistant black finish, is designed to withstand the rigours of daily touring and events. Two ergonomic aluminium handles make transport easier, whilst the integrated M20 flange allows a spacer bar to be fitted directly for use with top boxes.

The FBT Subline 118SA is the ideal choice for anyone looking for a powerful, flexible and professionally equipped 18" active subwoofer – with rich, deep bass, high power handling and well-thought-out features for modern PA systems.