Choosing a speaker wire gauge
Refer to the table below for recommended speaker wire depending on the distance between your Sonos Amp or Connect:Amp and your speakers.
Distance from speaker to Amp or Connect:Amp
Less than 80 ft (less than 24m)
80 to 200 ft (24m to 61m)
200 to 300 ft (61m to 92m)*
* Runs over 300 ft (92m) are not recommended