I have owned 2 of these speakers for a little over a year and they have been great to me. The sound is very good and they have enough power to fill a large room. They have 2 inputs on the back so you can plug in a microphone, and another sound source. They are designed so they can stack on top of one another with ease and have 3 handles to make them easy to move. The problem I ran into with these speakers is their reliability. I have run into problems with the low end on both of these speakers after about 15 months of usage. I enjoyed them so much that I ordered another pair to replace them in hopes that it would not happen a second time. I have researched other alternative options and am unsure what the sound quality is for the others. I can vouch that this speaker sounds good. Only thing I don't like so much about powered speakers is you need to run 2 extra cords to power them. Another thing is you should consider having them close because they feature a peak indicator which will light if it is peaking. If it isn't close, you may not know they are peaking which may cause problems for you. This is something that must be considered with all powered speakers though.
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