Reference:
M137M
Multi-channel audio matrix with 8 music inputs and 8 outputs, 4 zone microphone inputs and a priority microphone input with phantom power. It has audio message recording / playback (up to 55 s) and 8 contacts to play this message or priority entry to the desired areas. The matrix can be linked with a maximum of 4 x MX-88, configuring systems with up to 32 output zones.