Shake the floorboards while generating massive bass with the Mackie Thump18Sv4, a professional 18″ powered subwoofer well suited for any sound application requiring deep, full-range sound with visceral low end. Feel the difference of a professional subwoofer that brings music alive with complex bass lines and punchy kicks.
Thump18Sv4 integrates perfectly with Thump loudspeakers, with high-pass modes that tailor the sound to match the size of your speakers. You can also set the crossover manually for more control over your sound. Built-in carry handles make Thump18Sv4 portable enough to add to your touring rig or gigging setup.
Pair with the Mackie Thump18Sv4 Cover protects your portable speaker from marring and the elements. Add protection from on-the-road wear and tear to keep your sub safe and secure during transport and storage. The integrated handle cutouts allow you to move the subwoofer during setup and breakdown with added protection
Benefits
- 1400W ultra-efficient Class-D amplifier
- 18” high-performance woofer
- High pass modes tailor the bass to your speakers
- Fully mutable level control
- Stereo XLR inputs for your audio source
- Stereo high-pass XLR outputs for loudspeakers
- Stereo full-range XLR outputs with mono button for chaining more subs
- Built-in ergonomic carry handles
- M20 mounting thread for SPM400 speaker pole (sold separately)
High-Pass Modes
Connect loudspeakers to high-pass outputs and select from four modes. All modes include 1.4 ms alignment delay:
- Thump 12: Thump12v4 loudspeakers (140 Hz crossover)
- Thump 15: Thump15v4 loudspeakers (110 Hz crossover)
- Thump GO: Thump GO loudspeakers (150 Hz crossover)
- Variable: Set crossover manually to match any loudspeakers
Additional Details
- Phase invert switch
- Defeatable front LED
- Stereo or mono summing for single or dual subwoofer deployment
- Variable level control (Muted to +6 dB)
- Front LED On/Off
Versatile Inputs and Outputs
- Stereo XLR inputs: Connect to DJ controller, mixer, or other source
- Stereo XLR high-pass outputs: Connect to loudspeakers and select your high-pass mode
- Stereo XLR full-range outputs: Chain the full, unaltered signal to the next subwoofer
What’s in the box
- Mackie Thump18Sv4 18″ Professional Powered Subwoofer feat. 132 dB SPL, 25 Hz Low Frequency, Selectable High Pass Modes, Phase Invert Switch, Built-in Carry Handles, Connect Any Loudspeakers, 1400W
- Thump18Sv4 Powered Subwoofer
- Power Cord
- Thump18Sv4Cov Slip Cover
Mackie Slip Cover for Thump 18Sv4 Subwoofer
