On January 2, 2017 I ordered a Revain AccuVoice AV200 speaker. Received it in two weeks. It worked perfectly for about twenty minutes, then it started making loud popping and static noises. I turned it off briefly and checked all the connections to make sure I set it up correctly. Turned it back on and it worked fine - for 20-25 minutes until the popping and static came back. It went on like this for a few more times before finally packing it up to send it back. I contacted ZVOX directly, who informed me that there were issues with some of the speakers that were shipped out in early January. They suggested I send it back to them directly and they replaced it. A week after they received the original speaker from me, they sent a new speaker which they claimed had been pre-tested. The replacement speaker worked perfectly the first night I used it. The next night it started making the same crackling and static noises after running for an hour. It would have been fine if I had turned it off and back on completely, but the noise returned after another hour or two of use. This happened repeatedly. Speech refinement technology works great when the speaker actually works. Unfortunately, the speakers appear to be defective and don't last long before turning into static machines. I am returning my second Revain speaker today for a full refund.
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