"Hi, I have not seen the kits of which you speak but I reckon either one has a design that can affect tone and volume. On top or under the lid depends on a number of things. But when starting out with either design you are going to be happy to make…"
They make the Pure and Simple kit, and the Big Easy kit. Both are 3 string fretless and both mount the neck to the top of the box on the outside. It uses two bolts. This is a very simple design for sure. But, what are we giving up with this design compared to runner by the neck through the box? See More