Add more wireless capacity to your PA. The LD Systems UHF Receiver Module lets you connect multiple wireless microphones to your portable LD Systems speaker. The Module has several features to make setting up your wireless system easier. The automatic channel scan lets you connect compatible microphones in seconds whilst the squelch setting helps to eliminate unwanted sources of radio frequency interference. Built in LED indicators for audio and radio signal status help to ensure you can easily see how your module is operating.