1. SONY make believe XS GIX121LB 12 GIX series subwoofer Subwoofer design The XS GTX121LB subwoofer uses a unique dimpled cone design to reduce cone weight and increase output levels High energy magnets The XS GTX121LB woofer uses a powerful high energy Ferrite magnet to control cone travel and deliver big power handling Power handling The XS GTX121LB subwoofer is rated for 300 Watts 420 Watts RMS CEA 2031 rated and can handle peak power of 1000 Watts Specifications Audio Frequency Response 30 1000 Hz Impedance 4 Ohms Sensitivity db 86 2cB 1W 1m General Magnet Ferrite Material Polypropylene cone me ict Power Handling Capacity 420 Watts CEA 2031 RMS Rated Inout 300 Watts Weights and Measurements Depth Approx 5 3 4 Diameter Approx 2 Dimensions Approx Woofer 12 30cm Cone Dimensions Approx Depth 5 3 4 Mounting Dimensions Approx 11 diameter Weight Approx 11 Ibs 8 oz Supplied Accessories Supplied Accessories Parts for Installation 2011 Sony Electronics Inc All rights reserved Reproduction in whole or in part without property of their respective owners Features and specifications are subject to change written permission is prohibited Sony is a trademark of Sony All other trademarks are the without notice Updated January 12 2012