Eminence NSW6021-6 21" Tour Grade Subwoofer Driver

Note: This is a Single 6 Ohm driver (the Dual 2 Ohm version is a different product).  SPECIFICATIONS 5,000 Watts continuous program power capacity (RMS) 6.0-inch copper voice coil 21.0 mm xmax @ 1/3 gap; 27.3 mm usable excursion @ 2/3 gap 33.6 mm peak excursion (damage point is even higher) Neodymium magnet provides a very high force factor  True double spider suspension for unparalleled linear throw  Optimized cooling system 21” Nominal Diameter 97.0 dB sensitivity 48.1 lbs. Available in 6 Ohm only Designed and assembled in the USA Manufacturer's Datasheet (PDF) All Genuine Eminence loudspeakers are supported by a 7-year warranty against any manufacturer’s defect in the continental United States.  USAGE NOTES The Tour Grade line-up represents Eminence's top-of-the-line subwoofers.  The NSW6021-6 is the highest excursion 21" that we carry (and it may be the highest excursion 21" pro-audio driver period).  It is capable of extreme amounts of low end output, even exceeding the venerabl