FBT SUBLine 118SA – Powerful Professional Active Subwoofer

Discover the power of low tones with the SUBLine 118SA – the flagship active subwoofer from Italian manufacturer FBT Elettronica SpA. This technologically advanced bass speaker is engineered for the most demanding professional applications, where maximum power, precision, and reliability matter. Built around an 18‑inch high‑performance driver with a 3‑inch voice coil, it delivers thunderous bass that fills any stage space and captivates the audience on the dance floor.

Product Features

The key design elements of the SUBLine 118SA include a powerful 18‑inch low‑frequency driver with a 3‑inch voice coil, delivering exceptional performance and depth of sound. The built‑in Class D amplifier rated at 1200W RMS (peak 2400W) ensures efficient power delivery with minimal energy consumption. The DSP processor with 6 presets allows instant adaptation to various sound‑system configurations and seamless integration with FBT active speakers.

Powerful Bass for Professionals

This exceptional active subwoofer is the ideal solution for sound engineers seeking a balanced compromise between massive output power and precise low‑frequency reproduction. Its frequency response from 33Hz to 100Hz allows even the deepest bass hits to be rendered with full dynamics and control. A crossover frequency set at 100Hz works optimally with wide‑band full‑range speakers, creating a cohesive and harmonious sound system. A maximum SPL of 137dB in the half‑space guarantees ample power reserve for even the largest outdoor events and concert halls.

Applications

• Outdoor concerts and music festivals
• Nightclubs and DJ events
• Large permanent installations in clubs, cinemas, and event halls
• Sound systems for musical groups and event managers

Detailed Technical Specifications

• Configuration: 1‑way with bass reflex
• Amplifier power: 1200W RMS / 2400W peak
• Frequency response: 33Hz – 100Hz (-6dB)
• Low‑frequency driver: 18 inches with 3‑inch voice coil
• Maximum SPL: 134dB continuous / 137dB peak
• Crossover frequency: 100Hz
• Input impedance: 22 kOhm
• Connections: XLR stereo IN / LINK OUT
• Dimensions: 555 x 572 x 666 mm
• Net weight: 43.5 kg

Materials and Construction

The enclosure of the SUBLine 118SA is made from high‑quality Baltic birch plywood with a 15mm thickness, providing exceptional stiffness and resonance neutrality while remaining resistant to mechanical damage. A durable polymer cladding protects the surface from scratches and usage marks during transport. Ergonomic aluminum transport handles simplify maneuvering, and the M20 threaded socket allows secure mounting of full‑range speakers on top of the subwoofer. The design is suitable for both mobile use and permanent installations – robust fittings and anti‑vibration feet protect both the equipment and the floor surface.

Package Contents

• Active subwoofer SUBLine 118SA
• 7‑meter power cable
• User manual and technical documentation

Summary

SUBLine 118SA is an outstanding choice for professionals who demand uncompromising low‑tone quality. The combination of a powerful 18‑inch driver, efficient Class D amplifier, and advanced DSP processor creates a tool ready for the toughest environments – from small clubs to massive festivals. Investing in this subwoofer guarantees reliability and sound that will captivate any audience.