Wharfedale Pro SIGMA-X18B-BK 18" Passive Sub 18-Inch Black GFWUTLMEDIATRAY2 inside/outside voice coil windings to

inside/outside voice coil windings to edge wound voice coil manufacturing and pure titanium diaphragm forming

The JBL CSS8004 Commercial Series Ceiling Speakers provide excellent performance for paging and background music applications

(3) XT-GRU3024 BLK Rapid U-Grid Modules

Eloquent lows

With 8 amplifier and DSP channels

Wharfedale Pro SIGMA-X18B-BK 18" Passive Sub 18-Inch Black GFWUTLMEDIATRAY2 inside/outside voice coil windings toThe Wharfedale SIGMA X18B is a high performance 18 inch passive subwoofer designed to deliver deep, powerful bass in professional audio systems. Built with a rugged, durable cabinet and high quality components, the SIGMA X18B is engineered to provide reliable, consistent performance even in demanding environments. Its large 18 inch driver produces exceptional low frequency output, adding depth and impact to live sound systems, installations, or mobile