Dayton UMII15-22 Home Theater Subwoofer Driver

 SPECIFICATIONS 15” Nominal Diameter 900 Watts Nominal Power Handling (RMS) 1,800 watts Power Handling (max) 3-inch Diameter Voice Coil Woven carbon fiber cone Dual spiders Large aluminum pole cap and shorting ring to minimize distortion Cast Aluminum Basket Ferrite Magnet 1 or 4 Ohms Impedance depending on parallel or series wiring the voice coils 88.5 dB 2.83V@1m Sensitivity -- lbs. Manufacturer's Datasheet (PDF)