The AJA ADA4 is a 4-Channel Bidirectional Audio A/D & D/A Converter, with power supply, that can be configured as a 4-channel A/D, a 4-channel D/A, 2-channel A/D and 2-channel D/A, or an AES synchronizer. The ADA4 accepts an AES11, wordclock or video sync/color black reference input for synchronization. Reference input and synchronization are automatic with a passive looping reference as well as a separate AES sync output. Easy to access DIP switches allow the audio levels on ADA4 to be configured quickly and clearly during production. The included breakout cable provides the audio connections for ADA4, allowing 8 channels of AES audio input and output while keeping the overall size of the mini-converter compact and portable.