The Electro-Voice ETX-15SP is a high-powered 15-inch powered subwoofer, engineered to deliver deep, impactful bass for professional sound applications. With a 1,800-watt Class-D amplifier, it produces up to 134 dB SPL, ensuring tight, punchy low frequencies that enhance any PA system. The high-efficiency transducer is housed in a durable 18mm plywood enclosure with a front-loaded bass reflex design, optimizing performance while minimizing distortion. EV’s FIR-Drive DSP technology provides intelligent thermal and overload protection, as well as precise tuning options through a rear-panel LCD interface, which includes adjustable crossover frequencies, polarity control, and system presets for seamless integration with full-range ETX speakers. A threaded M20 pole mount offers secure speaker placement, making the ETX-15SP an excellent choice for mobile DJs, live sound engineers, and venues needing powerful, controlled low-end reinforcement.