I use it for a week, I bought two subwoofers and two P1800 P1500 pregnant, before that I had HK Audio, Yamaha, EV.
I love the easy side to carry because I am mobile DJ and quick to install, now I tested on three services, two indoor and one outdoor, my first impressions are "inside" the bass is very present , crisp and clear as well as on its aggressive Electro on rock, the phenomenon that has surprised me is when one is behind the boxes was not the impression that there little low but when you pass, the bass is there and further away more bass response, although this phenomenon is valid for any type of sound, but then I found much more pronounced than on other brands I had used before.
"Outside" use on a wide terrace of a bar in a large Savoyard ski resort, confirmations lift bass and sound proved just before I used the HK Audio and sound was not until at the end of the terrace, but the Matterhorn Vega yes, a clear sound at the end of terrace and bass response and no need to gain volume caisson bottom half is more than enough.
Less! there are a handful of transport on the side of the enclosure, the other being over, not easy to put the speaker on the mounting bar, it should automatically use the speakers with a subwoofer, because it is low in "low" but shows all their efficiencies coupled with a subwoofer.
To say that I remake that choice, I do not have enough experience, I expect to use it for 6 months to give my final opinion after being very disappointed with HK Audio.