Add powerful bass to your home entertainment experience with the piano gloss black SVS SB13-Ultra 13.5" 1000W Subwoofer. It uses a 13.5" front-firing woofer to produce up to 1000W of RMS power and up to 3600W of peak power for ground-shaking performance in nearly any listening environment. With a frequency response of 20 to 460 Hz, the SB13-Ultra is equipped to handle virtually all types of listening material. Subwoofer Features Front-firing 13.5" driver Protective non-resonant steel mesh grille MDF (Medium-Density Fiberboard) cabinet enhances rigidity Detachable power cord Driver Features 13.5" Ultra-series driver optimized for sealed applications Die-cast aluminum basket Flat-wire, 3" diameter, 8-layer aluminum voice coil Polyimide-impregnated fiberglass former/bobbin Dual 9", composite-layered, linear-roll, high-excursion spiders Integrated tinsel leads Nickel-plated spring terminals Injection-molded gasket and parabolic SBR enhanced-excursion surround Composite pulp/fiberglass press-layered cone with stitched surround Low-carbon 1008 steel components and electrophoresis black plating FEA-optimized overhung motor structure with a custom gap extension plate designed to enhance force/displacement symmetry, lower distortion, and increase linear stroke Copper shorting sleeve reduces gap induction and distortion and enhances thermal conductivity Dual Genox 8H/Y-35 ferrite magnets Oversized pole vent for improved cooling and reduced noise Amplifier Features 1000W RMS continuous, 3600W peak dynamic power Class D topology designed for efficiency and cool-running Detachable power cord with a main power switch and ceramic fuse RoHS compliant, lead-free construction, and worldwide safety certifications Auto-On / On switch with "green" standby mode Stereo line-level RCA and balanced XLR input/output connections Normal and Hi input voltage switch Fully adjustable (frequency and slope) phase-correct speaker/sub digital crossover EQ and DSP limiter settings IFC (Intelligent Feature Control) with an LCD display Two digital PEQs with adjustable frequency, cut/boost, and Q values Room gain compensation control with adjustable frequency and slope Adjustable digital delay on main speaker line-level outputs to time-align the speakers and subs