This 4-way cordless microphone system comprises 2 x Gemini dual UF-2064 receivers. The dual receivers are rack mounted together into one 4 channel wireless microphone system in a flight case.
The wireless receiver channel on each of the 4 radio receivers can be set to a different radio frequency. Then set each transmitter to a matching frequency and you have a compact, high quality UHF 4 channel wireless mic system.