The whole house audio system were showing in this article uses a technology called a bus. At just 100 the puck like link 1 hub turns your hi fi and other addon speakers into a simple multi room system.

5e7ed54 2011 Nissan Teana Stereo Wiring Diagram Wiring Library
Multi room audio system wiring diagram. This is a whole house distributed audio wiring diagram showing amplification that is run through passive volume controls before continuing on to the speakers. The wires carry audio signals to each room where theyre amplified to speaker level audio by the keypads. But for the best sound quality at the price this system is currently unbeatable. In wall keypads that let you control your music source components also require cat 5 wiring. The audio pro range might be small compared to some multi room rivals and the app is a little lacking. You can power in ceiling speakers floor standing and bookshelf speakers and outdoor speakers all through the same wired system.
This system allows you to adjust the volume right in the room you are in plus an integrated ir receiver will let you control your source devices if needed. Wired multi room audio systems can range from simple two room one receiver setups to more advanced multi zone systems. A bus technology uses a standard cat 5e cable four pair communication wire to carry all the signals from a central source. If you own a newer home theater receiver you can harness its multi room source features without the need to incorporate a switch. Many receivers have additional outputs that can provide two channel audio and sometimes video to as many as three separate zonesthis means you can have different musicsources playing in different areas instead of all speakers sharing the same one. A well planned multi room audio system keeps music moving through your home.
Wall mounted volume controls require speaker wiring only. To learn more read our article on how to power a multi room audio system.