Title: Defective and Annoying
Review: My original unit stopped working soon after getting it. It sounded its loud, shrieking alarm and then THUD!. It wouldn't power back up. I sent it in and received another unit which seemed to work fine for the next year or so. Just last night however, for no reason at all, it did the same thing. The alarm sounded, there was a thud, and it wouldn't power back on. In both cases, the TV was not on! We weren't using any audio/visual equipment and it went dead.The other annoying thing about this item is that on random occasions, when I power on my amplifier - which is NOT plugged into the HTUPS 500, the HTUPS 500 sounds its loud shreiking alarm for a few seconds. I can't seem to mute the alarm. One other thing: the lights on the front are extremely bright. Too bright for my tastes. In a dark room they light up the floor! I have to turn the unit 90 degrees so the lights face a different direction.
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