As sibling comments have noted, there's durability issues with this for stage use, but this is absolutely the path that a lot of installed audio has gone: Dante

As sibling comments have noted, there's durability issues with this for stage use, but this is absolutely the path that a lot of installed audio has gone: Dante/AES67/AVB mics, DSP's with minimal local IO and even direct PoE+ speakers. As an example collection: https://www.shure.com/en-ASIA/products/microphones/mxa920 https://www.shure.com/en-ASIA/products/microphones/mxa920 https://www.biamp.com/products/tesira-compact-audio-dsp https://www.biamp.com/products/tesira-compact-audio-dsp https://www.qsys.com/products-solutions/q-sys/audio-network-loudspeakers/nl-series/nl-c4/ https://www.qsys.com/products-solutions/q-sys/audio-network-...