Siemens ZAC-40 CAN Data Bus CardThe Zone Amplifier Card (Model ZAC 40) is a combination 40 Watt, amplifier speaker zone for use with Cerberus PRO Modular panels. Style Y, Z or A B speaker zone wiring configurations are supported. Model ZAC 40 is power limited, and can be configured to provide 40 Watts of audio at 25VRMS or 70VRMS. Model ZAC 40 is a plug in card that mounts in a Model CC 5 or CC 2 card cage. Model ZAC 40 is capable of amplifying any of the (8) eight digital audio