The core of Panasonic''s SR200P 1.9 GHz Digital Wireless Microphone system, the WX-SR204 digital wireless receiver supports four wireless microphone channels (choose between Panasonic''s WXST200 handheld mics and/or WX-ST400 lavalier mic + wireless bodypacks). Perfect for classrooms, conference rooms, auditoriums, museums, or even bars/ restaurants, the WX-SR204 features RJ45 (CAT5 / CAT5e / CAT6) connections up to eight (8) external antennas (WX-SA250), an RJ45 connection for an optional expansion receiver, and an ethernet network connection for easy integration with third party control systems such as Crestron, Extron and others. 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. Secure Euroblock connectors for independent channel outputs, external audio input and a mix output provide peace of mind that they will not detach easily in any type of installation. Ships with rack ears for easy rack mount installation. Key features 4-channel wireless receiver Supports nearly any room size; up to 8 WX-SA250 antennas can be connected Pairing button for easy set up / automatic channel assignment External audio input, mix output, and independent channel outputs (EuroBlock) Ethernet connection (monitoring & 3rd party integration with Crestron, Extron, and more!)