These are made in limited batches - Yaeltex is currently taking order for March shipments. This retails for $500 + shipping - price is firm at $400 as this includes the carrying case.
This thing is amazing but I’m just not into making music these days. The software allows you to customize the controller to do or be almost anything and works really well. The led colors, knob/pad/button behaviors, and all types of customizations can be made.
Link to the BTMKR on yaeltex site: “https://yaeltex.com/product/btmkr/“
Please do not ask if it’s still available as I will not reply.