Unleash the thunderous power of your live sound setup with the Mackie Thump18Sv4 Powered Subwoofer. This formidable 18-inch subwoofer is engineered to deliver the kind of deep, resonant bass that doesn't just fill a room—it electrifies it. At the heart of the Thump18Sv4 is a robust 1400-watt Class-D amplifier, capable of reaching a maximum SPL of 132dB and extending down to a floor-rattling 25Hz. Whether you're commanding a stage or spinning tracks as a DJ, this subwoofer provides the foundation your music deserves.

Designed with flexibility in mind, the Thump18Sv4 seamlessly integrates with various PA systems. Its selectable and variable crossover modes allow for precise adjustments, ensuring a smooth transition between subwoofer and full-range speakers. Pair it effortlessly with Mackie’s Thump series loudspeakers using the dedicated high-pass modes for an optimized audio experience that will captivate any audience.

Connectivity is a breeze with stereo XLR inputs and outputs, offering straightforward routing and chaining of additional subwoofers when more coverage is needed. Practical features like mono summing, adjustable level control, and a phase invert switch help fine-tune your setup across different venues and performance settings.

Built to withstand the rigors of frequent transportation and setup, the Thump18Sv4 features a durable enclosure with integrated carry handles for easy maneuverability. This road-ready design ensures that wherever your music takes you, the Thump18Sv4 will deliver consistent, professional-grade low-end reinforcement.

Key Features:

• 1400W Class-D amplifier with 132dB SPL for powerful performance
• 18" high-performance woofer with 25Hz frequency extension
• Selectable high-pass modes for optimized crossover with compatible loudspeakers
• Variable crossover control for precise system matching
• Stereo XLR inputs and outputs for flexible routing
• Mono summing and phase invert switch for system balance
• Integrated carry handles for easy transport
• Durable enclosure for consistent live performance