AIPHONE AP-10M 10 Call Master Station for High Power Intercom

Aiphone Station Features: One or two master configuration 10 watt output Desk, wall or ceiling subs available Hands free reply from remote area Use 8 ohm horn speaker for maximum output, or wall or ceiling speaker sub stations Subs call master with LED and electronic tone Built-in power supply Special master units available for expanded capacity -- Up to 50 stations