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The dB Technologies SIGMA S118 is a 1400 watt 18" active subwoofer housed in a bass-reflex enclosure.
Designed specifically to provide low-frequency support for high performance S115 full range speakers, it packs a powerful bass punch. S118 and S115 enclosures have the same width so they are easily stacked to set up professional-grade PA systems.
In the Box
dB Technologies SIGMA S118 1400W 18" Active Subwoofer