Max2Play Home 2016 (en) › Forums › Max2Play on Raspberry PI › Cooling your Raspberry Pi4 with a IQAUDIO HAT…? › Reply To: Cooling your Raspberry Pi4 with a IQAUDIO HAT…?
had same situation with my pi4. I found a passive cooled and slim solution at Amazon:
Geekworm slim passive case
Not the cheapest but smartest solution regarding space, loudness and packaging
Max2Play free download