Bought to use with an old Line 6 Pod X3 Live, for guitar. Entirely adequate.

I use these speakers every week and they sound great with plenty of power to fill a hall with a 300 person capacity. The tweeter is a bit bright but a small adjustment on the treble and they warm right up. Nice power/weight ratio. I will recommend them to anyone looking for a great value in a PA speaker.

Two things of note:The power switch doesn't appear to do anything. Switching it in either direction the speaker is still active.The power cord is a little hard to push in. I bought two and the second one I must not have pushed it in far enough because I blew the fuse right away. Luckily it comes with a spare so I was able to get it working again right away.

Great sound and clarity. Better than a more expensive one with the same specs. I bought this speaker to cover a wedding ceremony that I was doing for 200 people. I tried to buy 2, but they were sold out. Anyways, I used just the one and it more than filled up the room with sound and voice just fine. When available, I will definitely buy another one.

So far so good... I grabbed four of these to use as floor monitors for our classic rock band. They sound great and really cut through well. The only issue so far is that one of the units died after 30 minutes. Fortunately that was during rehearsal. A quick trip to the web site and it was on its way back for replacement. A new one showed up 3 days later. I've never had a problem with Monoprice standing behind their gear, in fact its one of the reasons I buy from them. As long as I don't have any more issues, I'm sold on these things.

The unit I just received (12" version) has improperly installed treble and bass controls (rotated 90 degrees counterclockwise), and the logo light does not turn on. I wouldn't want the logo lit up anyway, but the rotated EQ controls are annoying. I purchased two of the 10" units several months ago and they are perfect.

I purchased two APS-12s in November of 2017. Initially they seemed quite good. They presented a clear, flat response at high volume levels. I used one as a stage monitor/amp for my guitar along with an amp modeler/multi FX unit for a club gig. It worked wonderfully. Then I used both as a mains PA for a small live gig, running them at moderate volume. Within 15 minutes, one of the two APS-12s stopped working. I continued my set with just one APS-12, and occasionally tried turning the other on. No luck - it was dead for the entire gig. But when I brought them home and tested them the next day, they both worked. Wary of relying on them, I labeled them #1 (good so far) and #2 (unreliable). I then took them to my studio and set them up with my CD player. Over the course of a couple of weeks, #1 continued to work while #2 would shut off intermittently. Sometimes it would come on after a half-hour's rest, sometimes it would remain dead until the next day. Please note that these units were never pushed beyond moderate volume levels, they never exhibited any distortion, nor was there any apparent overheating, no blown fuses, no smell of burning components. I used unit #1 once again for a low-volume live gig, and it worked fine - EXCEPT the front pilot light died. Back at my studio, #2 continued to function intermittently, so I put it aside and continued to use #1 for low-volume guitar applications. Today, #1 shut down. I let it sit for about a half-hour, and it has come back on, but I cannot begin to imagine using either of these units on a regular basis. I will explore returning them to Monoprice, but I certainly won't be paying any money for shipping costs. I may have purchased a collection of parts.

I bought one of these as a back up speaker to the pair of Active powered speakers that I use for my DJ business, the first weekend, I had to put it into service immediately for a wedding ceremony and had my other pair set up at a different part of the venue. The speaker was basically plug and play, had more than enough clear volume for the music and the for the ceremony and all speaking, it was clear and loud enough and did not get too hot. It was summer and heat is always a concern doing any outdoor gigs. Fast forward another week, and I used it as a 3rd speaker as an extension for an outdoor gig where I was blasting music for 4 hours straight. The speaker bailed me out not just the first weekend but again the 2nd week. Easy to use, the sound was actually impressive. I was completely impressed at how well it held up, the volume was great (I purchased a 12") and didnt expect crazy amounts of bass, like far too many people expect when they buy these 10 or 12 inch speakers.. I set it to what I thought was a good eq setting and blasted music, it didnt peak out too easy, didnt distort, I found the setting that I could push it without it clipping and the speaker did wonderful for the whole event. It is lightweight and easy to lift onto a speaker stand. it sounded great, but I wasnt expecting it to sound like a $1200 speaker, but I will say that it our performs many budget active speakers on the market that begin with the letter B and have a yellow triangle in their logo. They are a good solid choice if you are on a budget, or if you need some speakers for speaking engagements and such, pair them up with subs and you will have a great system that sounds like you spent many hundreds of dollars more. my only complaints would be in the design, the knobs are not protected so they can be easily damaged in transport, if they were recessed it would be much better and I wish Monoprice sold a protective bag case for them to transport./ Sound quality for speech and music was way beyond expectations and easily manageable with a little EQ tweeking. There are definitely much worse sounding speakers on the market that cost a whole lot more. I ran these for the entire summer and into the fall untill Halloween and not once did it fail on me and it bailed me out of a few jams. well worth the monty and honestly sounds like they cost more. If you want a good solid speaker that wont break your wallet, these are an excellent choice. I plan on purchasing another 12 inch and a pair of 15's to use. :ike I said, they sound like a much more expensive mid level powered speaker. fix the issues with the control knobs on the rear, get them protected more and you have a solid winner here. thanks Monoprice, you continue to amaze me with the value and quality f the products I buy thru you. I have bought speakers, cables, lighting, cell phone accessories, and many other products, very rarely have I had a problem with anything, and if there was an issue the customer service was outstanding. How about getting some carrying bags protective cases for these speakers and you will have a home run!!