The Mackie 1,400W 15” Thump115S subwoofer not only delivers the massive bass you need, but it's also the perfect match for your Thump loudspeaker system. Custom selectable voicing modes and a variable crossover makes optimization for your system easy, while stereo inputs plus High-Pass and Full-Range outputs offer plenty of configuration flexibility. Integrated top corner handles are ergonomic and make transport easier than ever. Add Thump subwoofers to your system and really bring the rumble to your next gig.