Body font family verdana geneva sans serif font size11px td font family verdana geneva sans serif font size11px 3m extension cable for sonos play3 play5 playbar sub flexsons extension cables for sonos allow you to put your sonos speakers exactly where you want not just where their power cables will stretch to get rid of ugly extension blocks and choose this bespoke neat solution summary the flexson extension cable increases the length of the sonos mains cable to 49m162ft