Feature: 8 ZONE Remote Microphone Station for DSP-880N ,DSP-880M ,DSP-880ND Controls Zone selector switches for Z1~Z8. Talk & Chime on/off. Level control volume for MIC & Chime. Connectors RS485 communication with DSP-880N ,DSP-880M ,DSP-880ND . DC input. Indicators Power, Busy, Signal, Clip.
