Mackie Thump18Sv4 18" 1400W Professional Powered Subwoofer
Leave an Impression
Craving some extra oomph for your PA system? You need a subwoofer. Thump18Sv4 shakes the floorboards with massive bass that gets people on their feet, for moments that leave a lasting impression. Connect loudspeakers. Dial in the perfect low end. Feel the difference of a professional subwoofer that brings music alive with complex basslines and punchy kicks.
System Highlights
Complete Your Thump System With a True Workhorse
Thump18Sv4 combines our 1400W Class-D active subwoofer amplifier with a 18" high-performance woofer, for massive 132 dB maximum SPL and 25 Hz low frequency performance.
Tailor the Bass to Your Loudspeakers With High Pass Modes
This 18 inch subwoofer is the perfect match for Thumpv4 loudspeakers (or any PA speakers) with selectable high pass modes, plus a “variable” mode for setting the crossover yourself.
Configurations
Stack your Thumpv4 speaker on top of the subwoofer, stack multiple subs on top of each other, or mount your speaker above the sub with the Mackie SPM400 speaker pole (sold separately).
Portable + Build Quality
Thump18Sv4 is the best subwoofer for gigging DJs and professionals, featuring Built-Like-A-Tank durability, built-in handles and a custom Mackie slip cover (sold separately).
Features
- 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
- Phase invert switch
- Built-in ergonomic carry handles
- M20 mounting thread for SPM400 speaker pole (sold separately)





