Fish cables through existing walls with fish tape or a fish stick.
How To Wire Speakers Through Walls. If you need to go through an air duct be sure the the wire is plenum. (if you have an attic.) first of all, use the right wire.
18 Gauge Speaker Wires from www.cmple.com
Requirement for enclosure of electrical electrical wires that connect appliances, lamps, stereo equipment, etc to wall outlets should never be. Feed wires through a tv stand. It is perfectly safe to run most cables through a wall!
Speakers inside ceilings and walls save space and make a room look good.
If you are dropping cables through an interior wall (meaning it isn't a wall that has the outdoors on the other side of it), there will probably be no insulation this might be a little overkill, but it did make my speaker wires look a little neater behind our tv credenza. Sometimes you may prefer to avoid drilling any holes into your walls in an attempt to hide your speaker wires. Keep speaker, computer, and phone wires away from standard electrical wiring for safety reasons and to reduce interference. And should the unforeseeable day come.
