It's in excellent condition and has been well cared for. $850 local pick up and cash only. Price is firm. I'm in Northern CA.

Subwoofer Specs:

• Piano gloss black and real black oak veneer finish options
• Front-firing 13.5" driver
• Protective non-resonant steel mesh grille
• Rigid and braced MDF cabinet
• Detachable power cord

• Cabinet Dimensions: 17.9" (H) x 17.4" (W) x 18.5" (D) (without grille)
• Overall Dimensions: 17.9" (H) x 17.4" (W) x 20.4" (D) (with grille)
• Weight (unboxed): 92 pounds
• Shipped Dimensions: 23" (H) x 23" (W) x 27" (D)
• Shipped Weight: 105 pounds

Driver Specs:

• SVS 13.5” high-performance Ultra driver optimized for sealed applications
• SVS custom-tooled die-cast aluminum basket
• Flat-wire, 3” diameter, high-power, high-temp, 8-layer, aluminum voice coil - unique to SB13-Ultra
• Polyimide impregnated fiberglass former/bobbin
• Dual 9", composite layered, linear roll, extreme excursion spiders
• Integrated tinsel leads
• Nickel-plated high-tension spring terminals

• Proprietary injection molded gasket and parabolic SBR extreme-excursion surround
• Composite pulp/fiberglass press layered cone with stitched surround
• Low carbon 1008 steel components, electrophoresis black plating
• FEA-optimized overhung motor structure with custom gap extension plate enhances force/displacement symmetry, lower distortion and increases linear stroke
• Copper shorting sleeve reduces gap induction and distortion, and enhances thermal conductivity
• Dual Genox 8H/Y-35 high grade ferrite magnets
• Oversized pole vent for greater cooling and low noise

Amplifier Specs:

• STA-1000D Sledge with 1000 watts RMS continuous power (3600 watts peak dynamic power)
• High efficiency cool-running Class D switching topology
• Detachable power cord with main power switch and ceramic fuse
• RoHS compliant, lead-free construction and world-wide 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
• Customized EQ and DSP limiter settings specifically for the SB13-Ultra
• Intelligent Feature Control (IFC) with bright LCD display
• Two (2) 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
• Input impedance - 24 kΩ (unbalanced RCA) / 22 kΩ (balanced XLR)