Bringnig analog audio into an ATEM 1M/E or 2M/E switcher requires a Blackmagic Design Audio Breakout Cable to interface with the switcher's DB-15HD connector. The breakout cable is approximately two feet long, terminating in six XLR connectors that support two channels of input and output audio, as well as timecode in and out. Each cable is shielded to protect your signals.