Please help...my son bought me a SB1 soundbar/subwoofer for Christams 2012. It was dead out of the box (from Best Buy). We exchanged it for a new one in Feb. 2013 ...it worked fine till about a month ago...loud blat/boom coming from subwoofer now and then...doesn't work unless turned up full b;ast...sound bar works fine without it but I want the subwoofer to work also...Best Buy doesn't want anything to do with it cuz I didn't buy extended warranty...Klipsch says One Year Warranty only...no help there...I can't find any one who will try to repair...can't even get an estimate from anyone...What do I do...Please help....My dear son spent a lot of money...wanted to buy me a Bose but couldn't afford it...thought he was doing a good thing buying a Klipsch but this is BAD...