12 inputs for 70 / 100V line
Audio output with 1W speaker
LED level meter
It is used to monitor amplifier audio outputs installed at rack for 70 and 100V line amplifiers. AM4120 comes with LED level meter and 1W speaker, catering for 12 amplifier outputs.
It is used to facilitate output level calibration of each output of the power packs and also to listen to the sound at rack, without having to run to the zone for checking.