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Easy to connect!
Bought 2 of these Xtreme3 speakers and 2 Charge5s to use the party mode feature to rock out in our back yard. I love how these speakers are so easy to connect and sync. They have some great thumping base, and I can easily create a “stereo pair” when using only 2 speakers. I have had Sonos speakers for a couple of years, and I love their sound quality, but their connectivity and the app is not acceptable. These JBL units sound is almost as good as Sonos, but the ease of use makes them a much better value and frustration saver! Buy the XTREME3. You won’t regret it!

Great sound and size
It fits in my computer bag and has great sound quality. Battery life seems really good. We used it for a couple of long days on the beach before we needed to charge it. There is a battery indicator light on it which is very useful to know when to charge it. I would buy this again.

Pretty good. Loose audio jack. PartyBoost suffers from interference.
Overall I like these speakers. They sound good. Plenty of volume and base. I like the strap and the hooks. Feels like good quality – mostly.This is my first time trying JBL speakers, and unfortunately, I ran into a bad batch of audio jacks. My first Extreme 3 was perfect; but I also got a Boombox 3 at the same time, and I the audio jack was too loose to hold. I exchanged the Boombox 3 for another, and it had the same issue. So I returned that, and got a second Extreme 3 – and unfortunately it also has a loose audio jack. However, the jack holds just well enough that I decided to keep it. For me, the audio jack is a critical feature.One of the main reasons I got this speaker was to see if PartyBoost would work as a whole-house audio system. Unfortunately, it doesn’t. It’s extremely sensitive to interference. If you put the speakers in separate rooms, the sound like drops out and sounds staticy; and if you get too close to one of the speakers, it gets worse, and in some cases the sound completely stops. In fact, even in a single room, the speakers have to be pretty close without stuff or people passing in between.In fairness, I never read or heard that PartyBoost would work across rooms (and I figured it probably wouldn’t); and I think all they say about it are meaningless things like “amp up your party” and “take your party to the next level”. I suppose those are literally true in the sense that the volume increases. So, aside from the stereo feature, which I don’t care about and didn’t try, this is almost a useless feature.So, since it has two major features which I consider to be somewhat defective, I’m only giving it 4 stars, so that the reader is aware that something is probably not as expected with this speaker, as advertised.However, so far, other than the audio jack and PartyBoost, I am quite satisfied with this speaker.I haven’t tried a ton of other BT speakers, but I have tried a couple of good ones, so I’ll tell you how it compares.First, is my last speaker, which was the Soundcore Motion Boom. That speaker is basically like a direct competitor, and it sounds decent, but it does drop or flattens some of the sound detail. I think the Extreme 3 sounds better, but not so much better that it’s obviously worth the increase in price. The Motion Boom is currently going for $85, and I think I paid like $120 when I got it, but the Xtreme 3 is currently going for $380. (Also just realized I been spelling it wrong this whole time.)But, the JBL has a few additional features. 1) Tweaters. 2) Audio Jack! 3) Anchor hooks. 4) Carrying strap. (And I guess technically PartyBoost.) But, the Xtreme 3 doesn’t have a nice handle like the Motion Boom does; and I kind of think the round, rolly body of the JBL is kind of a bad thing; whereas the Motion Boom has a rectangular body that won’t roll away so easily. I kind of wish they both had a handle and carrying strap, so its kind of a trade-off; but I do think the anchor points on the Xtreme 3 are a little more flexible. I can just attach a handle, if I can find/fashion one. I could also do that with the Motion Boom (and I did), but it’s more awkward, since the handle is basically a wide tube.The other speaker I can kind-of compare it to is the Sony SRSX5, which is a much older speaker; and it’s been a couple of years since I had it; but I remember it sounding very nice. Well, I think the Xtreme 3 is probably just as nice, except a couple of small differences. I think the Xtreme 3 is probably a little more punchy (as the Motion Boom is) and I suspect that’s because of their outdoorsy, waterproofy design. Also, the SRSX5 is kind of bass heavy, and has a more mellow sound, which I kind of didn’t like about it. But either way, I think some people might prefer either sound over the other; so they’re about the same in my opinion.Other than that, the SRSX5 and Xtreme 3 are not really comparable, because they’re different sizes, and the SRSX5 is not designed to be an outdoors speaker. They’re designed for different environments. But I think the sound comparison is still relevant and valuable. In many settings, I think they’ll have similar sound abilities. I would think the Xtreme 3 could get louder than the SRSX5, since it is bigger; but honestly, I don’t know.I guess another thing I can compare on these 3 speakers is quality and durability; and overall they all seem like good quality, durable devices; with the exception of that one Xtreme 3 with the loose audio jack; and unfortunately, since I found 3 JBL 3-series speakers with such loose audio jacks, that casts some doubt about the quality of the JBL brand; especially in $300-$500 speakers.

This speaker is amazon!
I’ve had other portable speakers in the past and some had great battery life but not really great sound. I wanted something portable that didn’t break the bank but had great sound too. This fit the bill and sounded better than other speakers at the same price point at least to me.It’s fairly portable though somewhat large to just carry around, and it’s fully waterproof which is great for listening near a pool or other water source. It’s also fairly rugged which is great as I don’t have to worry about being gentle with it at all.Overall this was a great purchase and I definitely recommend it.

Excellent in every way. Has the best sound quality

Gostei muito fo tamanho, formato e acabamento. O som é muito bom, não chega a ser estrondoso.