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Yamaha CXS18 MK3 is a passive bandpass subwoofer made for professional low-frequency reinforcement in demanding live sound and installed audio environments. It is designed to deliver deep, clear, and powerful bass while reducing unwanted cabinet and port noise, making it a strong choice for systems that need serious low-end impact with reliable performance.
The Yamaha CXS18 MK3 is the largest model in Yamaha’s latest CXS MK3 passive subwoofer series, built for users who need maximum low-frequency authority from a passive enclosure. It combines high output capability with a refined acoustic design, making it well suited for live venues, production companies, houses of worship, and installed sound systems that demand deep and controlled bass response.
Its 18-inch cone woofer uses Yamaha’s proprietary long-excursion, high-durability design and a robust 4-inch voice coil to support high output and dependable performance. The ideal bandpass structure works with large-diameter ports and a high-performance grille to reduce wind noise and unwanted cabinet resonance, helping the subwoofer reproduce clear, powerful, and deep low-end even at higher output levels.
The plywood cabinet is acoustically optimized for sound quality and finished with a durable black polyurea coating to help protect the enclosure from scratches and impacts during transport, setup, and teardown. For flexible system integration, the Yamaha CXS18 MK3 includes dual speakON NL4MP connectors and dual pole socket compatibility with both 35 mm and M20 threaded poles.
When used with Yamaha PX or PC-D Series amplifiers or other compatible signal processors, the CXS18 MK3 can take advantage of dedicated tuning settings for improved system performance. It also supports cardioid configurations when multiple units are used together, helping improve bass projection toward the audience while reducing low-frequency buildup on stage.
