I find the sound of high quality in view of the size of the object. Pleasant appearance, and certainly made for backpacking with his rubber lined shell. Reach amazing I can get away from my phone 25m placed on a plastic table without the slightest disturbance except may be a decrease in the volume which I'm not even sure. Of course we must not obstacle. Only downside, the membrane is not sufficiently protected. A robust grid plan would have been much better I still recommend it ..