Legendary EV sound and performanceInside each low-profile, tour-grade wood enclosure are a range of unique new features that set ETX Powered Loudspeakers apart, combining intelligent technology and innovative industrial design for spectacular results across all applications. EV-engineered high-efficiency transducers and high-powered Class-D amplifiers, Signal Synchronized Transducers (SST) waveguide design and smart FIR-Drive DSP all work together to provide peerless EV sound quality and precise coverage at the highest SPLs.15-inch DVX woofer for extended low-frequency response 1800 W Class-D power amplifier with integrated FIR-Drive DSP 135 dB peak SPL Single-knob DSP includes presets for multiple configurations and top+sub combinations (performance style, locations, and space)Special DSP preset for true cardioid performance across the full operating bandwidthLoudspeaker system performance monitoring via integrated LCD and front panel LED Combo pole cup (insert and threaded) for use with the ETX Powered Loudspeaker two-way models Enclosure includes removable casters True cardioid DSP preset delivers true cardioid response across all frequencies. The DSP (Digital Signal Processing) menus offer extensive configurations, crossovers, true cardioid presets, protection limiters, EQ mode, and a lock out mode that prevents casual changes to the system. Loudspeaker system performance is optimized via an LCD screen.The enclosure is constructed out of 18-mm, 13-ply birch plywood finished with EVCoat. Also includes professional-grade castors, and combination pole mount receptacle for threaded and unthreaded loudspeaker poles.Specifications:Frequency Response (-3 dB): 33 Hz – 150 HzFrequency Range (-10 dB): 28 Hz – 180 HzMaximum SPL: 135 dB peakPower Rating: 1800 WLF Transducer: DVX3180A 457 mm (15 in)Low Pass Frequency: Adjustable: 80 Hz, 100 Hz, 120 Hz, 150 HzConnectors: (2) XLR/TRS Combo Jack and (2) XLR link OutputEnclosure: 18 mm, 13-ply birch plywood with EVCoatGrille: 16AWG steel with powdercoatDimensions (H x W x D): 19 in x 23 in x 27 inNet Weight: 91.9 lbsPower Consumption: 100 – 240 V~, 50 – 60 HzGet your Electro-Voice ETX-15SP Powered Subwoofer today at the guaranteed lowest price from Sam Ash Direct with our 45-day return and 60-day price protection policy.