@audioengr -- that's very interesting re: RCA connectors. I hadn't heard that before. Thanks. I suppose I should adjust my prior Apogee recommendation...
https://www.amazon.com/dp/B01N6XL1XW/ref=twister_B01MUH69P1?_encoding=UTF8&psc=1
https://www.amazon.com/dp/B01N6XL1XW/ref=twister_B01MUH69P1?_encoding=UTF8&psc=1