The SB528z (2 x 18-inch) is a direct radiating, high output, large-format subwoofer system proven in complementing high efficiency, full-range loudspeakers. Available in both portable and install versions. Driver mounting maximizes cone area and minimizes frontal area, providing acoustical performance and physical configuration well suited for creating large subwoofer arrays.

	Product Group I Operating Mode Single amp, dual amp Operating Range 27 Hz to 147 Hz, +/-3 dB Beamwidth 360° (h & v) Power Handling/Output 1400 w (@4 ohms); 135 dB average SPL (half space) Connections 2 Neutrik NL4 Speakon, XLR (portable); barrier strip (install) Rigging/Mounting Flytrack (portable); integral mounting points (install) Dimensions/Weight 29.75" (h) x 50.25" (w) x 24.56" (d); 220 lbs