The JBL 3635 is an 18″ passive Cinema subwoofer speaker with a 300W power handling capacity, housed in a shallow ported enclosure, designed to provide natural low-frequency sound reproduction for music and dialog in small cinema spaces and screening rooms. The 3635 enclosure design, a mere 14.5″ deep, allows for considerable placement flexibility and minimized behind-screen space requirements, and the moderate price of the unit enables smaller-budgeted community and independent cinema spaces to enjoy a higher standard of LF sound reproduction.

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