@larrykell
You probably only need an adapter. Most likely, the adapter would be set up with a female XLR connector going to a male RCA. Pin 2 of the XLR would correspond to the center pin of the RCA and pin 1 of the XLR would be the ground of the RCA. If you encounter a buzz, then pin 3 of the XLR should be tied to pin 1. But try it first without that last bit.
Alternatively you could have the female XLRs wired to your existing RCA cables in the manner described above.
You probably only need an adapter. Most likely, the adapter would be set up with a female XLR connector going to a male RCA. Pin 2 of the XLR would correspond to the center pin of the RCA and pin 1 of the XLR would be the ground of the RCA. If you encounter a buzz, then pin 3 of the XLR should be tied to pin 1. But try it first without that last bit.
Alternatively you could have the female XLRs wired to your existing RCA cables in the manner described above.