2 Microphone Wireless Systems

AVTronics™ UHF 2 Microphone Wireless Systems

With the AVTronics UHF Wireless 2 Microphone Systems, both microphones and channels
can be used at the same time!

Quartz Controlled Fixed Frequency UHF technology rejects interference better than any other microphone in its class. Choose from a system with two handheld microphones or one handheld microphone and one lavalier. Uses 2 AA Batteries per microphone (not included.) (Please note, you cannot purchase and utilize two SYSD1 or SYSD1L (A Frequencies)

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  • SYSD1L -631.75 and 696.65 MHz Frequencies
  • SYSD1 - 631.75 and 696.65 MHz Frequencies
  • SYSD2 - 697.85 and 619.15 MHz Frequencies
  • SYSD2L - 697.85 and 619.15 MHz Frequencies
  • SYSD1LBE - 631.75 and 696.65 MHz Frequencies
  • SYSD2LBE - 697.85 and 619.15 MHz Frequencies
  • SYSD1BPL -631.75 and 696.65 MHz Frequencies
  • SYSD2BPL - 697.85 and 619.15 MHz Frequencies
  • SYSD1TCW - 631.75 and 696.65 MHz Frequencies
  • SYSD2TCW - 697.85 and 619.15 MHz Frequencies


  • Working distance up to 200 feet
  • Individual Volume Controls
  • Output Connectors: 2 XLR Balanced, Mixed Unbalanced 1/4" (TRS)
  • Individual Volume Controls
  • Transmitters may operate up-to 30 mW
  • Handheld Microphone Type: Dynamic Cardioid
  • SYSD1LBE and SYSD2LBE includes an AVTronics AVT-EC1 headworn microphone


* * * CONSUMER ALERT * * *
Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC’s wireless microphone website at www.fcc.gov/cgb/wirelessmicrophones.