Direct Answer • Key Takeaway
Answer: You Need a 1 Male to 2 Female Y Adapter. the Male End Plugs in to the Pre out on the Back of Your Receiver. Plug Rca Cables (2) into the Female Ends of the Y Adapter, and the Other Ends Plug into the Red/White, Line in Connections on the Back of Your Pioneer Sw-8Mk2 Sub.