Dual 12" Loaded Ported EnclosurePolypropylene cone woofersGold plated 5-way binding postsPre-wired 4 ohm mono configuration2000W Peak (600W Rated)Specifications© 2009 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part withoutwritten permission is prohibited. Sony, Memory Stick, nav-u, Quick-BrowZer, Walkman,Xplod, ZAPPIN, and the Sony, nav-u and Xplod logos are trademarks of Sony. iPhone andiPod are trademarks of Apple Inc., registered in the U.S. and other countries. Bluetooth isa trademark of Bluetooth SIG, Inc. NAVTEQ Maps & Traffic is a trademark of NAVTEQ. Allother trademarks are trademarks of their respective owners. Features and specificationsare subject to change without notice. Non-metric weights and measures are approximate./Updated: December 15, 2011AudioFrequency Response 30 - 500 Hz. (in car)Impedance 4 OhmsSensitivity (db) 87 dB/W/mGeneralMagnet FerriteMaterial Polypropylene wooferFinished enclosurePowerPower Handling Capacity 600 wattsRated Input 600 WWeights and MeasurementsDimensions (Approx.) Enclosure Dimensions: 32 x 16 x 16" (810 x 406 x 406 cm)Weight (Approx.) 51 lbs. 13 oz. (23.5kg)Supplied AccessoriesSupplied Accessories Parts for Installation.XS-LE121D Dual 12" ported enclosure