First you need the 165mm x 80mm x 28mm minibox... Q-Down Mini Minibox broadcast down converter with one reclocked HD or SD input loop-through, one dedicated SDI output and three configurable Standard Definition outputs You can create your own power supply, or alternatively buy Crystal Vision's external universal AC power supply below... Q-Down Mini PSU External universal power supply for Q-Down Mini   Because Q-Down Mini is a standalone minibox, you don't need to buy a frame nor rear module. Q-Down Mini is controlled by mini DIP switches on the box or GPIs - therefore you will not require a control panel or PC software.