To do this take a 1 32 drill bit and drill a small hole straight up attic or down basement from your speaker and receiver ring location and as close to the wall as possible.
How to put speaker wires in the attic.
The actual install of recessed lights here https youtu be 5yc8aqnvqqg the long bit is actually used.
The staple gun should be loaded with wire staples designed for holding the size and type of wire you are running.
Bring all of the wire up into the attic.
Buy the correct gauge speaker wire for the expected power output and the required distance.
Or of course you can splice cables if you feel that s easier to do.
Go get an old metal coat hanger straighten it out and stick into this hole.
Cut a hole for each box with a drywall saw or a saw appropriate for the wall material then feed the wires down from the attic or up from the basement toward each hole using a fish tape or a fish stick and have a helper catch them and pull them through.
Then continue running the rest of the cable to the second speaker.
When you get to the first speaker carefully slice the outer sleeve and pull out two of the conductors.
Enter the attic or crawlspace and look for the wire extending through the drilled hole.
5 go up in the attic or down in the basement and look for your coat hangers.