The Electro-Voice ETX-18SP is a high-powered 18-inch active subwoofer designed to deliver deep, tight bass for professional live sound and installed audio applications. Powered by a 1,800-watt Class-D amplifier, it produces up to 135 dB SPL, ensuring powerful low-frequency performance with minimal distortion. The high-efficiency transducer and wood enclosure with a front-loaded design maximize impact and clarity. EV’s FIR-Drive DSP technology enhances performance with intelligent limiter protection, automatic thermal management, and customizable crossover settings via the rear-panel LCD interface. The integrated M20 threaded pole mount allows for secure satellite speaker placement, making it an ideal choice for DJs, touring musicians, and venues that demand exceptional low-end reinforcement with precision and durability.