This 12-inch DVC 4-ohm subwoofer is designed and engineered to have a low profile without sacrificing performance. If you"re looking to drop some deep bass look no further than HED series! VEGA * Proprietary HED Basket Frame with Unimount Gasket Surround * One Piece Parabolic Cone For Extreme Rigidity * Single Stitched Rubber Surround * Bumped Back Plate for Maximum Excursion * Power Handling: 250W / 1200W. * Sensitivity (dB @ 1W 1M): 87.0dB. * Mounting Diameter: 10.82" (259.0mm). * Mounting Depth: 5.35" (135.9mm). * Sealed Enclosure Volume: 1.25 ft3 35.375 litres. * Vented Enclosure Volume: 1.50 ft3 42.450 litres. * Vent Dimensions: 1.625" x 13.5" x 27" / 41mm x 343mm x 686 mm.