Bluetooth’s physical & frequency range will eventually always give you problems in the long run, especially if you have any other 2.4G devices running physically within its vicinity.
Try & use category 6 or greater DIRECT ethernet line for all your sources. If you need more than one connection, use a learning bridge like the one here (plug & play):
https://www.amazon.com/gp/product/B00QR6XFHQ/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1
Your results will always be better.
Try & use category 6 or greater DIRECT ethernet line for all your sources. If you need more than one connection, use a learning bridge like the one here (plug & play):
https://www.amazon.com/gp/product/B00QR6XFHQ/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1
Your results will always be better.