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RCF S 8018 II is a high-efficiency 18" subwoofer engineered to extend low-frequency performance in permanent sound installations. Designed for durability and acoustic power, it delivers deep bass response down to 30 Hz and exceptional SPL in a rugged, installation-ready enclosure.
The RCF S 8018 II brings powerful low-end reinforcement to large-scale installed systems, offering unmatched efficiency and long-term durability. At its core is an 18" neodymium transducer with a 4" voice coil, designed with inside/outside winding for improved thermal stability and reduced power compression—key for demanding venues.
This passive subwoofer uses a bass reflex design optimized for extended low-frequency reproduction, achieving an impressive 30 Hz–200 Hz range. With a peak SPL of 137 dB and sensitivity rated at 100 dB, the S 8018 II excels in environments that require impactful, controlled bass.
The cabinet is built from rugged Baltic birch plywood and finished in a black, heavy-duty textured epoxy coating for professional installations. It includes a 35mm M20 pole socket, integrated side handles, and Speakon® connectors on a recessed panel. The metal grille protects the driver while maintaining clean aesthetics for venues such as clubs, theaters, houses of worship, and event halls.
