UHF Wireless Vocal Handheld Microphone System IR Infrared Adjustable Frequencies
•Frequency: UHF 610MHz - 670MHz. •(1) Dual channel UHF receiver. •200 Selectable frequencies on each channel, up to 20 units can be used simultaneously. •(2) 2 handheld microphones. •Built-In Tone Lock Squelch circuit protection from RF interference.