QSC E118SW 18" 800W Passive Subwoofer Black

The QSC E118SW is an 18-inch passive subwoofer built for professional live sound reinforcement and permanent installation. Rated at 800 watts continuous power handling, it produces the kind of deep, authoritative bass needed for live music, DJ events, and high-energy performances in medium to large venues. The direct-radiating enclosure design prioritizes punch and clarity in the low frequencies, while the 4-ohm impedance allows compatible amplifiers to deliver maximum power efficiently. The included M20 threaded pole socket and speaker pole make it straightforward to stack a full-range top cabinet directly above the sub for a complete PA column.

Durability is a clear design priority for the E118SW. The exterior is finished in a rugged, tour-grade textured paint that resists scratches and scuffs from regular transport, while the foam-lined perforated steel grille protects the driver from impacts without compromising acoustic output. Where the E118SW particularly distinguishes itself is in its integration with the broader QSC E Series ecosystem. When paired with QSC GXD or PLD amplifiers or TouchMix digital mixers, users can access advanced DSP tunings that optimize crossover points, equalization, and limiter settings specifically for this cabinet — effectively turning a passive sub into a precisely tuned component of a complete system. At 93.8 pounds, it is a substantial cabinet that demands careful handling, but the performance and build quality are consistent with professional touring and installation expectations.