Designed to be used with Panasonic''s WX-SR204 4-channel wireless receiver, the WX-SE200 expansion receiver allows you to add up to 4 additional wireless microphone channels an existing Panasonic 4-channel system without the need to add an additional antenna to the system. Choose between Panasonic''s WX-ST200 handheld mics and/or WX-ST400 lavalier mic + wireless bodypacks) for microphone options. Perfect for classrooms, conference rooms, auditoriums, museums, or even bars/ restaurants, the WX-SE200 features a RJ45 (CAT5 / CAT5e / CAT6) connection to the Panasonic WX-SR204 4-channel wireless receiver, and secure Euroblock connectors for independent channel outputs, external audio input and a mix output. LEDs on the front panel show the system status during startup & microphone pairing, antenna status during operation, and an LED indicator of when the receiver is being controlled remotely. Ships with rack ears for easy rack mount installation.Key Features: Add up to 4 additional wireless mic channels to an existing 4-channel system (WX-SR204 required) without the need to install additional antennas. Easy to setup - no need for planning / allocation of channels; Secure pairing with Panasonic microphones Supports external audio input and mixing with mic channels Rack mountable (1u high, rack ears included)