For the price, the quantity of microphones and transmitters is fair. With a limited test of all the components upon receipt I noticed an interference issue in the high sound range on all channels but my hope is that with better set up distances between mixing components I'll be able to remove this issue from the products performance.
I have had this wireless microphone set for a few weeks. We use it for karaoke in the home. It works perfect. There is no feedback and it works without any problems. After the battery light comes on, there is still plenty of battery left. For the price this is a great deal for in home karaoke.
This works well, but I was disappointed that the batteries that came in the package were dead. Otherwise, so far, this works fine with my karaoke program as long as you are in a large room. If you are too close to the amplifier, there is squealing.
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