The PulseAudio PAEXEARC digital audio extender with eARC is capable of transmitting HDMI eARC or ARC digital audio signals up to 328ft (100m) over a single CAT5e/6 cable. It can also transmit digital optical audio signals up to 656ft (200m). The receiver is equipped with a built-in ARC backup plan, ensuring that both SPDIF and HDMI outputs are active to accommodate various scenarios. The extender features bi-directional PoC (power over cable), allowing either end to be plugged into power for flexible installation. It also supports CEC pass-through when HDMI eARC/ARC audio is selected.