AES/EBU (Audio Engineering Society / European Broadcasting Union) is the professional digital audio standard carrying two channels of PCM audio over balanced XLR cables. Higher level and lower impedance than consumer S/PDIF.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Shield and ground | GND |
| 2 | DATA+ | AES3 data positive (non-inverting) | BUS |
| 3 | DATA- | AES3 data negative (inverting) | BUS |