Craving some extra oomph for your PA system? You need a subwoofer. Thump15Sv4 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.

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 33 Hz low frequency performance.

1400W Class-D Amp
Ultra-reliable, consistent performance and massive 132 dB SPL volume.
18” Woofer
High-performance driver reaches floor-shaking 33 Hz low frequency.
Built Like a (Lightweight) Tank
Rugged enough to handle any gig but lightweight with handles for easy loading.

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.

Thumpv4
Mackie pulled from decades of experience at the top of the audio industry to create Thumpv4 loudspeakers and subwoofers, pushing Thump Series to a new level of professional excellence. Learn more about how Thumpv4 delivers perfect sound every time, in every application.

Build an All-in-One System
Stack your pole-mountable Thump loudspeaker above Thump18Sv4 using the dedicated Mackie SPM400 speaker pole (sold separately) to create an all-in-one powerhouse PA system, projecting sound across the entire area while keeping floor space clear for getting down.