K4.0003189 Audio Board Upgrade (IAOU 2)

In order to allow higher input levels with the line audio input on AMIRA, an extended audio board is available for upgrade. This new audio board allows +24dBu input level in addition to the +8dBu with the IOAU 1 audio board. It also allows the headphone out to be looped through a connected mixer. The new audio board is available at the ARRI service stations as a chargeable upgrade. It is already included in cameras with serial numbers above 16541.