The SLX4 wireless receiver offers unprecedented simplicity with features including Automatic Frequency Selection and Automatic Transmitter Setup. With included rack hardware and detachable antennas, it is ready for immediate installation right out of the box. Other features include a backlit LCD screen which provides group, channel and antenna information. A five segment audio meter lets you monitor the incoming audio signal from the transmitter. The SLX4 receiver is used as part of the SLX wireless series which includes various handheld, headset and lapel mic options.