FBT SUBLINE 112SA – powerful bass in a portable form

Discover a new dimension of low frequencies with the active subwoofer FBT SUBLINE 112SA. This compact bass speaker is designed for professional applications where powerful bass reproduction is needed in a lightweight and handy form. Ideal for both mobile stage setups and permanent sound installations.

Product Features

The subwoofer is equipped with a 12‑inch low‑frequency driver with a high‑stroke diaphragm and a 3‑inch voice coil, delivering dynamic and deep bass reproduction. The Class D amplifier with 700W RMS power (1400W peak) provides precise energy without unnecessary load. The integrated DSP processor offers 8 ready‑made EQ presets that allow you to quickly tailor the sound signature to a specific application. Phase reversal, HP filter, and volume control give full control over the tone.

Powerful bass for demanding productions

SUBLINE 112SA is the ideal solution for DJs, musical groups, event companies, and cultural institutions seeking a portable yet powerful subwoofer. Its bass‑reflex design enables an impressive acoustic pressure level of up to 133 dB, while maintaining compact dimensions. The 40Hz‑140Hz frequency range covers the entire low‑frequency spectrum, and the adjustable crossover from 90‑140Hz allows precise matching to full‑range speakers. The rear control panel offers intuitive access to all functions, including an 8‑step delay adjustment (from 0.25m to 3.5m) for optimal positioning in various configurations.

Applications

• Live sound stage systems – ideal for outdoor concerts, festivals, and indoor performances
• Permanent installations – nightclubs, music clubs, conference rooms, and cinemas
• Mobile DJ – portable setups for wedding parties and corporate events
• Complementing line‑array systems – works with FBT’s active full‑range speakers

Detailed technical data

• Configuration: 1‑way, bass‑reflex
• Low‑frequency driver: 12 inches, 3‑inch voice coil
• Amplifier power: 700W RMS / 1400W peak
• Frequency response: 40Hz – 140Hz (-6dB)
• Maximum SPL: 130 / 133 dB (continuous/peak, half‑space)
• Crossover frequency: 90Hz – 140Hz (adjustable)
• Input: Balanced XLR (IN/LINK OUT)
• Input impedance: 22 kΩ
• Power consumption: 600 VA
• Dimensions (SxWxG): 430 × 447 × 480 mm
• Net weight: 22.8 kg
• Stand thread: M20

Materials and construction

The enclosure is made from high‑quality Baltic birch plywood (Batic birch plywood) with a 15mm thickness, providing resonant neutrality and durability. The surface is coated with a scratch‑resistant paint, protecting the subwoofer during transport and heavy use. Ergonomic aluminum transport handles on both sides allow easy carrying, and the M20 thread on top enables mounting a satellite speaker on a stand.

Package contents

• Active subwoofer SUBLINE 112SA
• Power cable
• User manual

Summary

FBT SUBLINE 112SA is the professional choice for anyone who expects powerful, clean bass in a portable form. The combination of high power, advanced DSP, and solid construction from Baltic birch plywood makes this subwoofer an indispensable component of any professional sound system. Invest in equipment that will meet the expectations of even the most demanding productions!