a brand new integrated impedance selector feature has been added to VEGA series subwoofers on to keep system wiring simple! The signature red santoprene surround now incorporates matching red double stitching to complete the finish of the latest rendition of the new VEGA series subwoofers. VEGA series subwoofers are offered in this 12-inch size so no matter how big or small of a space you have to work with VEGA series has got you covered! VEGA * Proprietary Stamped Cast Vega Basket Design * Optimized High Power Single-Stacked Motor Structure * Parabolic One Piece Stamped Carbon Fiber Polypropylene Cone * Double Stitched Vega Red Santoprene Surround * Proprietary Horizontal Mounted Spring Loaded Terminals * High Power Integrated Impedance Selector * Vega Concealed Mounting Gasket * Power Handling: 450W / 900W. * Sensitivity (dB @ 1W 1M): 84.8dB. * Mounting Diameter: 10.7″ (272mm). * Mounting Depth: 5.67″ (144mm). * Sealed Enclosure Volume: 1.25 ft3 35.4 litres. * Vented Enclosure Volume: 1.50 ft3 42.450 litres. * Vent Dimensions: 1.625″ x 13.5″ x 27″ / 41mm x 343mm x 686mm.