HiFiBerry Universal Steel Case for Raspberry Pi 4This is HiFiBerry's universal case for use with Raspberry Pi 4 and the range of HiFiBerry DACs*, Digis and Amp2 3 4 (including the DSP add on!). Moving away from dedicated cases for each audio HAT board in their range, HiFiBerry came up with this universal case system to make a single enclosure compatible with a large range of their boards, reducing complexity and allowing you to change your project HAT without the need for a new case. Simply change