VM2120 System Management Amplifier 100V 120WThe VM 2120 is a multifunctional amplifier that can be mounted in an EIA Standard equipment rack (3 unit size). The unit comes with 4 audio inputs including the background music input, and the speaker output section which has an internal attenuator and 5 zone selector. It permits not only general purpose broadcast, but also Emergency Broadcast based on the EN60849 Standard which gives pre recorded voice instructions (optional EV 200M is required) in