Active Subwoofer Mackie Thump118S 1200W

The Mackie Thump118S 1200W active subwoofer is engineered to extend low-frequency response and reinforce full-range speakers for live and installed sound systems. Equipped with an 18-inch woofer and a built-in high-efficiency amplifier delivering 1200 watts peak power, this unit reproduces deep bass with clarity and controlled transient response. Adjustable crossover and phase controls allow integration with a variety of loudspeakers, while a robust enclosure and professional connectors support frequent transport and stage use.

Advantages

The Thump118S combines a large-diameter woofer with a dedicated amplifier to provide powerful, consistent low-end performance suitable for music and live reinforcement. Integrated crossover and phase adjustment make speaker alignment straightforward, reducing setup time and improving system coherence. The enclosure is designed for durability and portability, and the professional input/output options facilitate compatibility with common PA signal chains.

Suitable for

• Live music venues and concert stages
• DJ rigs and mobile sound systems
• Fixed installations in bars, clubs, and houses of worship
• Sound reinforcement for events and corporate presentations

Key specifications

• Driver size: 18-inch woofer for extended low-frequency output
• Amplifier power: 1200 watts peak power for strong transient response
• Controls: Adjustable low-pass crossover and phase control for system integration
• Inputs/outputs: Professional line-level inputs and outputs for PA integration
• Enclosure: Rugged construction designed for mobile and fixed use

How to use

Place the Thump118S on a stable surface or use the dedicated mounting option when integrating with satellite speakers. Connect the mixer or amplifier outputs to the subwoofer inputs using balanced cables, then route the subwoofer output to full-range speakers if required. Set the crossover frequency to blend the subwoofer with your main speakers, and adjust the phase control to minimise cancellation and reinforce low-frequency energy. Start with conservative level settings and increase until the bass sits naturally in the overall mix.

Usage recommendations

For optimal performance, position the subwoofer so it can couple with the room for even bass distribution, avoid placing it directly against reflective corners unless increased low-end is desired, and allow proper ventilation around the amplifier section during extended operation.