Audio-Technica ATW-2120b
Wireless Handheld Cardioid Dynamic Microphone System, Frequency Band: I


The Audio-Technica ATW-2120b is a wireless handheld microphone system that is part of their 2000 series of frequency-agile True Diversity UHF Wireless Systems. It operates in the "I" frequency band, 487.125 - 506.500 mHz, and consists of the ATW-R2100b diversity receiver and ATW-T220a cardioid handheld transmitter.

A 10-channel UHF wireless system designed to work in a variety of applications including MI/live performance, public address, fixed installation, A/V rental houses, and places of worship, it offers all the advantages of a high-quality, professional wireless system, but at an extremely affordable price. Features include operation in the UHF "I" frequency band, automatic frequency scanning (automatically determining and setting the best available frequency at the touch of a button), and switchable antenna power. Also, the optional ATW-CHG2 2-bay recharging station (sold separately) provides power to recharge NiMH batteries in (2) ATW-T220a handheld transmitters (additional ATW-T220a units sold separately) and/or ATW-T210a UniPak® transmitters (sold separately) in any combination.

Any of the 2000 Series’ 10 channels may be used together without any frequency coordination problems or group selection issues. This series also employs Audio-Technica’s Tone Lock™ squelch plus an easy-to-read LCD information display.

Audio-Technica ATW-2120b Includes:

  • ATW-R2100b Diversity Receiver
  • ATW-T220a Cardioid Handheld Transmitter
  • AT8456a Quiet-Flex™ Stand Clamp
  • (2) Flexible UHF Antennas
  • (1) AC Adapter for Receiver
  • (1) Set of Rack-Mount Brackets

Audio-Technica ATW-2120b Features:

  • Operates in the "I" frequency band
  • Serious advances in affordable professional wireless
  • Clear sound quality and rock-solid, dependable performance
  • 10 compatible user-switchable channels with Automatic Frequency Scanning
  • Antenna power available for powered antennas & other in-line RF devices
  • True Diversity operation selects the better signal from the two receiver sections, reducing dropouts
  • Tone Lock™ tone squelch system fights interference
  • Rugged metal half-rack receiver with soft-touch controls and LCD display
  • Balanced XLR and unbalanced 1/4" output jacks enable use with a wide variety of audio gear
  • Switchable transmitter power output with high and low settings offered
  • Includes rack-mount kit and detachable UHF antennas
  • Ground-lift switch helps eliminate audible hum causedby ground loops between the sound system and receiver
  • ATW-T220a Handheld Microphone/Transmitter features PRO 41 Capsule for maximum feedback rejection and consistent sound
  • ATW-CHG2 charger available for ATW-T220a transmitter (sold separately, please refer to items located under the "ACCESSORIES" tab above)

Audio-Technica ATW-2120b Specifications:

  • For specifications and additional information, please refer to itemslocated under the "DOCUMENTATION" tab above.


Consumer Alert
Please be aware that certain systems or transmitters operating in the 617-652MHz or 663-698MHz frequency ranges are no longer in compliance with recent regulations set forth by the Federal Communications Commission (FCC). Contact our Sales Pros at 800-356-5844 for help choosing a compliant wireless system that fits your needs and to learn about available trade-in rebates. Details on current wireless regulations are available at

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