confusing but doable. you will wires for speakers. How long only you know where you are placing them? wire
Commercial Electric 50 ft. 18-Gauge Stranded Speaker Wire available at Home Depot $15.31 on back of receiver will be speaker connections, chose "A: copper to red terminal silver to black terminal. back of speaker turn top on connector counter clockwise to loosen them insert Copper to red and tighten repeat for black. You will need wire strippers and they are available at Home Depot, South wire V-Notch Wire Stripper $6.70
Good Luck
If you want to DIY, send an email to me at . This email will be deleted after 1 week. It is a very commonfaulty found in onkyo av-amp, very easy to get fixed,however. I won‘t tell you here. Why? I buy faulty av-amp to repair, selling them on the web!.