nixos-config/modules/sound/easyeffects/autoload/alsa_output.pci-0000_00_1f.3.analog-stereo:output:analog-stereo+input:analog-stereo.json

{
    "device": "alsa_output.pci-0000_00_1f.3.analog-stereo",
    "device-profile": "output:analog-stereo+input:analog-stereo",
    "preset-name": "HE4XX"
}