Bose Professional Bose ShowMatch SMS118 Subwoofer

DeltaQ technology is the next-generation array design that allows "Q" (directivity) to vary with each module in the array for more consistent coverage over wide frequency range, reduced array weight and cost, and outstanding vocal clarity. Arrays can cover large vertical angles with fewer boxes.

ShowMatch DeltaQ companion 1 x 18-inch subwoofer for low-frequency extension down to 29 Hz with mixed mid/high and subwoofer ShowMatch arrays.

Nominal Impedance	4 ohms
Enclosure Material	Baltic birch plywood
Colors	Black
Net Weight	136.5 lb (61.9 kg)
Calculated Maximum SPL @ 1 m	121 dB (free field/array), 127 dB (half-space/ground stack) continuous / 127 dB (free field/array), 133 dB (half-space/ground stack) peak
Coverage, Horizontal	Omnidirectional
Coverage, Vertical	Omnidirectional
Crossover	60 Hz - 100 Hz, requires active crossover in DSP