Connect 8 additional sensors to 1 device with SCT Hub with one cable or wireless the choice is yours Need 16 Infrared readings? With the 2 ports on main device you can connect a hub to each Works with our Subwoofer Temp Sensors as well as our Amp Temp Sensors simultaneously Automatically Scaled UI interface based on number of sensors plugged in Grid Layout allows all temps on a singular page 1x3, 2x2, 2x3, 4x2, 4x3, 4x4 Simple design one cable from hub to screen no messy wire job, power is provided through that same single cable Custom cable made to length Hub is designed for people who need more than 2 readings and have loads of equipment to monitor This is not a breakout box or a splitter. It's functions as a completely second device with custom hardware and software working together to make this possible.