PreSonus ULT18 18-Inch Powered Subwoofer AT2020 Size(L x W x D):

Size(L x W x D): 40 1/2" x 14" x 5"

They also require performance consistency and accurate localisation from the pair of microphones

The inner rack chassis is built of high strength/lightweight aluminum alloy extrusions with 11 gauge hot rolled carbon steel rack rails to meet EIA-310 standards

3 W or less

PreSonus ULT18 18-Inch Powered Subwoofer AT2020 Size(L x W x D):PreSonus ULT18 18 Inch Powered Subwoofer Designed to complement any full range PA loudspeaker and a perfect companion for the PreSonus ULT12 and ULT15, the ULT18 subwoofer delivers a powerful, clear, and accurate low end punch. With 2,000 watts of Class D power and a direct radiating, ported enclosure, it delivers the detailed low frequency performance audio pros demand. Its custom 18 inch low frequency transducer with 4 inch voice coil provides 7 mm