Ethernet isolator

Network Audio
18

I use the 100mb TPLink

TP-Link Fast Ethernet Media Converter, Up to 100Mbps

https://www.amazon.com/dp/B0034CSUD0/ref=cm_sw_r_sms_c_api_i_S0XhCb5K46PRF

Also check out this thread for useful info. Posts 14 and 29 are interesting