Congratulations! Your new SIR-PS1 Powered Subwoofer lets you enjoy SIRIUS Satellite Radio digital entertainment to its fullest sonic range. Use this manual to install your Powered Subwoofer and to familiarize yourself with all the features and capabilities of the subwoofer. For the latest information about this and other products, visit www.directedsirius.com. For technical help regard- ing this product please contact Directed Electronics, Inc.