Almost 2 years ago, I bought the Logitech Z623 speaker set to replace the Corsair SP2200 speakers that developed a crackling issue in the subwoofer (read “RMAing Corsair SP2200 speakers in Japan” and “From crackling Corsair SP2200 speakers to Logitech (Logicool) Z623 speakers”). I bought it from Amazon because they had it for the cheapest offer. It cost me a little under $90 although it should have cost me about $130 if I bought it directly from Logitech as that was the MSRP.
However there was one issue with this particular set. Many of the end users were complaining about a defect with the power button. The speakers would turn on and off on its own at random times.
Not everybody was having this problem so I thought I might get lucky. Even if the problem developed in mine, I would not have a problem with RMAing as Logitech’s customer support is superb. After about one year of usage, the problem developed on my set as well. It was not irritating at first as it would only appear - if at all - at the time of powering up the speakers. But eventually it got worse up to the degree where it would lose power while watching a movie even.