I wanted an allround speaker as a practice amp for singing, acoustic and electric guitar, bluetooth playback and the occosional jam session. And I love how this speaker facilitates all of that. For me that's the main thing that strikes me about this speaker it is so versatile.
1. Portability
The battery lasts ages, I charge about once a week even though every day for an hour. I just don't have to think about it. I notice that because of its portability I take it along everywhere where I need some extra sound level.
2. Connections
This is probably the best feature of all. It has 4 channels! I can sing duets with a friend, play guitar and have a backing track running. While controlling the level of each channel with the app. This is the main thing that made me choose this JBL above the Bose S1 Pro.
That said the phyisical controls are a bit limited, and I don't like the green ring ui around the pot meters its not clear enough what the current setting is. They should have gone with discrete leds from 1 -10 or something. All in all it's a minor thing and makes you use the app more.
3. Sound quality
The sound from the speaker is very neutral and requires some tweaking with the EQ to make it pop to your liking. Personally i put next to my Sonos speaker and tried to emulate the tone as much as possible. And the good thing is with this speaker you can do that, yes it takes a little time and fiddling, but you can get the sound you want and I love what I hear. I boosted the bass and treble.
So all in all a terrific all round speaker that has tons of features, can go plenty loud and puts all of it in small easy to use package.