The Electro-Voice ETX-18SP packs concert-quality sound into a tidy, easy-to-use powered subwoofer. Its efficient Class D amplifier pumps 1,800 watts through a high-sensitivity transducers providing you with thumping bass and earth-shaking output.
 
Everyone onstage will appreciate the significant reduction in stage noise, courtesy of EV's exclusive Cardioid Control Technology. Digital signal processing puts a range of performance optimization and protection tools at your fingertips. 
 
18-inch DVX woofer for extended low-frequency response
1800 W Class-D power amplifier with integrated FIR-Drive DSP
135 dB peak SPL
Special DSP preset for true cardioid performance across the full operating bandwidth
Combo pole cup (insert and threaded) for use with the ETX Powered Loudspeaker full range models
Removable casters