Ceiling speakers throughout the house, but no speaker wires anywhere. Is it possible that they used an adapter that uses RG6 or Ethernet cable? : r/hometheater
Can I use an Ethernet cable as a speaker wires? I am using a Creative T6160 5.1 speaker system. - Quora
UTP CAT6A CAT6 Cat7 Signal Control Data Communication Coaxial Speaker Wire Patch Cord LAN HDMI Computer Network Cable - China CAT6, Cat5e | Made-in-China.com
Blue Gray Red Green White Speaker Wire Cords 4.2mm Cable Connectors for Panasonic/Sony/Pioneer Home Theatre Cinema DVD Blu Ray System, 6 Pieces : Amazon.co.uk: Electronics & Photo
Speaker wire guide
Dr. G. Visco; official home page; HiFi Tubes rebuild, Use CAT6 cable for speakers
Speaker Wires Guide - Gauge, Length, and Type.
Twisting speaker wire pair | The Gear Page
Flat Ethernet Cable: What To Know? | Infinity Cable Products