Took delivery of the cajon and on the same day performed live with it and this cajon has an amazing sound.
The bass frequency is incredible and after removing the tapa to see how this was happening, I found that the internal design is extremely advanced with angled chambers and tunnels to the low bass ports.
24 hours later I played live at festival main stage having custom fitted my preferred mic to the internal chamber and kick drum mic to the front of the bass ports and it punched hard across a few thousand people. As a professional percussionist, I've tried and owned several Cajons, stock and custom made but this is by far the best and the Thomann bag which is recommended fits snugly but is getting easier now and is also incredible quality and incredibly cheap..
Cannot recommend more highly and no I don't have a Meinl or Thomann endorsement but I do from another cajon maker which I'll no longer be using..
Lee