Mackie Thump18Sv4

Description

What Is the Mackie Thump18Sv4 Powered Subwoofer The Mackie Thump18Sv4 is an 18-inch, 1400W Class-D powered PA subwoofer built with onboard DSP, designed to deliver deep, full-range low end for DJs, bands, and mobile sound setups. This subwoofer brings the kind of punchy kicks and complex bass lines that a professional sound system needs, whether it's running behind a DJ booth, a live band setup, or a general PA rig covering a larger venue or outdoor event. Built with flexible connectivity and portability in mind, this subwoofer is designed to integrate directly with Mackie's Thump loudspeaker lineup while remaining versatile enough for other speaker setups as well. Powerful Class-D Amplification and 18-Inch Woofer At the core of this subwoofer sits a 1400W ultra-efficient Class-D amplifier paired with an 18-inch high-performance woofer, giving the unit substantial power and cone size to move real air and produce deep, felt low end. Class-D amplification is widely used in modern powered speakers because it delivers strong output while running more efficiently and generating less heat than older amplifier designs, which matters for a subwoofer expected to run through long events or multiple sets in a night. The larger 18-inch woofer gives this model a step up in low-frequency extension and output compared to smaller subwoofer options, making it well suited for larger rooms and bigger outdoor spaces. High-Pass Modes for Speaker Integration This subwoofer includes high-pass modes built to pair specifically with Mackie's Thump loudspeaker lineup, automatically tailoring the crossover point to match the connected speaker size. The Thump 12 mode sets a 140 Hz crossover to match Thump12v4 loudspeakers, while the Thump 15 mode sets a 110 Hz crossover for Thump15v4 loudspeakers, and the Thump GO mode uses a 150 Hz crossover matched to Thump GO loudspeakers. All three preset modes include a 1.4 millisecond alignment delay to help keep the subwoofer and connected loudspeakers properly time-aligned for a cohesive overall sound. For setups using speakers outside the Thump lineup, a Variable mode lets users manually set the crossover point to match whatever loudspeaker is connected. Flexible Inputs and Outputs for System Building The Thump18Sv4 includes two XLR inputs for connecting a mixer, DJ controller, or other audio source directly into the subwoofer. Two high-pass XLR outputs allow the subwoofer to pass a filtered signal on to connected loudspeakers based on whichever high-pass mode is selected, while two full-range XLR outputs carry the complete, unaltered signal onward, making it possible to chain additional subwoofers into the same system. This layout gives users a practical way to build out a larger PA system from a single subwoofer as the starting point, without needing a separate crossover or signal splitter to manage the connections. Stereo or Mono Summing for Flexible Deployment This subwoofer supports stereo or mono summing, giving users the flexibility to run a single subwoofer or deploy a pair depending on the size and needs of a given event. This kind of summing flexibility matters for sound techs who might use one subwoofer for smaller gigs and pair two together for larger venues or outdoor events requiring more low-end coverage. A phase invert switch offering 0 or 180 degree settings is also included, giving users a way to correct phase alignment issues that can occur when combining a subwoofer with other speakers in a room. Practical Design for Touring and Gigging Beyond its audio performance, this subwoofer includes practical touring features like built-in ergonomic carry handles, making it easier to move in and out of a venue despite its larger 18-inch size. An integrated M20-threaded pole mount allows the subwoofer to support a compatible speaker pole, such as Mackie's optional SPM400, letting users mount a top speaker directly above the sub for a classic stacked PA configuration. A front-panel LED on/off button provides a quick visual indicator of power status, and this LED can be defeated for situations where a dark stage environment is preferred. Who Should Buy This Subwoofer This subwoofer is a strong fit for DJs, bands, and mobile sound providers who need substantial, punchy low end for larger venues and outdoor events, whether integrating directly with Mackie's Thump loudspeaker lineup or working independently with other speaker brands through its Variable high-pass mode. It's particularly useful for touring and gigging setups where bigger rooms demand more low-frequency output than a smaller subwoofer can comfortably provide. Anyone looking to build or expand a PA system with a subwoofer offering genuine flexibility in inputs, outputs, and mounting options will find the Thump18Sv4 a practical foundation for larger-scale setups.

year

2026