Nanomesher

https://nanomesher.com/support/

https://nanomesher.com/download/nanosound-volumio3.zip

sudo apt-get update
sudo apt-get install dos2unix
cd /home/volumio
rm -f nanosound_forv3.zip
rm -rf nanosound
wget https://github.com/nanomesher/Nanomesher_NanoSound/raw/master/packages/nanosound_forv3.zip
mkdir ./nanosound
miniunzip nanosound_forv3.zip -d ./nanosound
cd ./nanosound
dos2unix install.sh
volumio plugin install

cd /home/volumio
wget https://github.com/nanomesher/Nanomesher_NanoSound/raw/master/packages/install_nanosound.sh
chmod +x install_nanosound.sh
./install_nanosound.sh

NanoSound DAC / DAC 2 software support for Volumio

https://nanomesher.com/nanosounddac/