The Electro-Voice ETX-18SP is a powerful powered 18″ subwoofer designed to give you the low end your PA needs. This powerful portable 18″ subwoofer features the latest Class-D amplifier technology with on board DSP for ultimate flexibility flexible to suit almost any application. The ETX18-SP features a strong durable enclosure made from 18mm thick 13-birch plywood  which houses the DVX3180A 18″ Woofer and powerful 1800W amplifier to deliver a solid and punchy bass response with a 135dB SPL output!
Supplied with removable casters making it easy to load in/out of gigs and storage.