 ETX-18SP POWERED SUBWOOFER, BLK, US. The ETX-18SP from Electro-Voice is a powered 18" subwoofer for the company's ETX range of PA speakers, a versatile choice for live entertainment venues, rental companies, pro musicians and DJs, and installed sound. The low-profile, tour-grade wood enclosure hosts a high-efficiency transducer and a Class-D amplifier. Signal Synchronized Transducers (SST) waveguide design and smart FIR-Drive DSP work together to provide precise coverage at the highest SPLs. -33 to 150Hz Frequency Response. -1800W Class-D Power Amplifier. -135dB peak SPL. -Integrated FIR-Drive DSP. -Combo Pole Cup Mount for Other Speakers. -Removable Casters. |