Charles Smarr

IT Solutions Manager, City of Daytona Beach

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Jun 23, 2025

Some of this "sounds" like what I recently experienced in a system I installed comprised of Sennheiser wireless microphones, Dante AVIO, POE/Dante ceiling speakers and NDI devices. The system was fine until a 4 input XLR extender over Cat6 (Cable Matters) was added. There would be noise coming from the speakers anytime mics were disconnected from the Tx device. Ultimately, I advised the client to mute the respective channel(s) on the mixer before disconnecting any microphones from the Tx device and keeping said channel(s) muted until a microphone is connected to the XLR.