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When your PA system needs more punch and deep bass, the Mackie Thump 18Sv4 active subwoofer provides the solution. The professional-grade Thump18Sv4 reproduces bass frequencies down to 25 Hz. The subwoofer features stereo XLR inputs as well as full range and high pass XLR outputs, making it easy and quick to tailor the sound to your main speakers. Integrated carrying handles make transport easier.

• 18" woofer
• Max. 132 dB SPL
• Bass reproduction down to 25 Hz
• High-pass outputs for easy tweeter adaptation
• Integrated handles, M20 thread for speaker stand