For the best results, follow this setup sequence to ensure true 5.1 channel separation:
6x RCA ports for Front Left/Right, Surround Left/Right, Center, and Subwoofer. hd audio rush 51 decoder manual patched
To eliminate "hissing" or ground loop hum, users often patch the power supply using a DC isolator (like the B0505S-2WR2) between the 5V input and the main board. For the best results, follow this setup sequence