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Audio-Technica ATW-3211/AT831cH 3000 Series Wireless Lavalier Microphone System

Audio Technica
Key Features:
  • For Presenters and Performers
  • AT831cH 3000 Series Wireless Lavalier
  • Rugged Bodypack Transmitter
  • True-Diversity Rackmount Receiver

Audio-Technica ATW-3211/AT831cH Overview:

The Audio-Technica ATW-3211/892xTH is a 3000 Series (4th generation) rackmount wireless earset microphone system with professional-level features for enhanced reliability and control. It offers an intuitive interface with a dual-mode OLED display for easy operation. With a wide 60 MHz tuning range and true-diversity reception, the system minimizes potential dropouts to deliver intelligible, natural audio for presenters, clergy, lecturers, and performers working in business and educational settings, houses of worship, theaters, or on musical stages.

This clip-on lavalier mic provides crisp, full-sounding voice pickup. It also excels as an instrument mic, especially for pickup of acoustic guitar. The wired configuration (AT831R) includes the AT8444 guitar mount. The mic is ideal for higher SPL applications, and offers excellent gain before feedback and suppression of background noise. Includes windscreen and clothing clip.

AT831cH: 55″ (1.4 m) permanently attached cable terminated with a screw-down 4-pin connector for use with Audio-Technica cH-style body-pack wireless transmitters; no power module.

Operating Frequencies

Band DE2: 470.125 to 529.975 MHz (2395 frequencies)
Band EE1: 530.000 to 589.975 MHz (2400 frequencies)
Band EF1: 590.000 to 649.975 MHz (2400 frequencies)
Band FG1: 650.000 to 699.875 MHz (1996 frequencies)

Minimum Frequency Step

25 kHz

Modulation Mode


Maximum Deviation

ATW-T3201: ±38 kHz (THD:10%)
ATW-T3202: ±36 kHz (THD:10%)

Frequency Response

ATW-T3201: 31 Hz to 15,500 Hz
ATW-T3202: 25 Hz to 16,700 Hz
Frequency response depends on attached microphone element

Operating Range

100 m (328')
Open range environment with no interfering signals.

Total Harmonic Distortion

<1.0% (at 1 kHz, ±17.5 kHz deviation)

Operating Temperature Range

-5° C to +45° C (23° F to 113° F)

Simultaneous Use

40 Channels per band*
For assistance with multi-band operation or other frequency coordination issues, please contact your regional Audio-Technica customer service representitive. *Region and band dependent

RF Power Output

High: 30 mW, Low: 10 mW (switchable), at 50 ohms

Spurious Emissions

Following Federal and National Regulations

In The Box

Audio-Technica ATW-3211/AT831cH 3000 Series Wireless Lavalier Microphone System.

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