Please google "hifiberry case pi 4 Assembly" for assembly instructions from HiFiBerry. The best advice I can give for this product. And after spending some time on very small details (finding them after hitting the ground), you hear the final click as it all comes together. You will be rewarded with a very nice case for your Rapsberry Pi 4 with HiFiberry DAC2 HD. Throw in a clean iFi iPower Low Noise DC power supply which I bought and you have a very good sounding DAC.
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