PLEASE READ THIS BEFORE YOU CONSIDER BUYING!Logitech admitted that ALL X-530 speaker sets were faulty back in 2006. ALL of these sets WILL pop anytime a light switch or power surge of any kind happens.Please type this exact phrase in any search engine "Logitech X-530 popping problem" and you will find over 30,000 hits in regards to this known problem, including Logitechs own website, where they admited that they knew they were defective back in 2006.IT IS A DISGRACE THAT ANYONE IS SELLING THESE KNOWN BAD SPEAKERS THAT WERE KNOWN TO BE BAD FROM BACK IN 2006.