Audio-Technica M2 Wireless In-Ear Monitor SystemAudio-Technica M2 Wireless In-Ear Monitor System

Audio-Technica M2 Wireless In-Ear Monitor System
Item Code
Extended Warranty
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Wireless M2T stereo transmitter, M2R stereo receiver with 3.5 mm line-in jack and EP3 in-ear dynamic headphones with 3 sizes of rubber earpieces plus ear-conforming foam tips.

The M2 Wireless In-Ear Monitor System is designed to make professional in-ear monitoring features accessible for performers who want to be free from the problems associated with floor wedges. The stereo monitor system offers Personal Mix Control, which gives each musician volume and mix control of two independent signals on stage, via easy-to-use controls on the M2R stereo body-pack receiver. The wireless UHF M2T Stereo Transmitter provides a choice of 100 selectable frequencies and is equipped with two XLR/ combo input connectors into which users can connect line-level inputs. While up to 10 complete M2 systems may be used on stage simultaneously, any number of M2R stereo receivers may be used on the same frequency with a single M2T stereo transmitter. These rugged systems are built to stand up to the inevitable bumps of life on the road, delivering clear, natural sound for touring and installed-sound uses.


  • High-fidelity sound with clean, articulate mix allows you to hear yourself better at lower volume
  • 100 selectable UHF channels
  • Up to 10 simultaneous systems per frequency band
  • Three receiver modes: Personal Mix, stereo, and mono
  • Personal Mix Control allows volume and mix control of two independent signals at the receiver
  • 3.5 mm line-in jack connects to ambient microphone, click track & more
  • LED indicators provide easy-to-read level monitoring
  • XLR loop output (true pass-through) connects signal to mixing console, additional IEM system or recording device with no signal degradation
  • Adjustable squelch eliminates annoying static
  • Pilot tone protects against RF interference when the transmitter is turned off
  • Limiter (defeatable) helps protect your hearing from sudden peaks
  • Portable system is quick to load and set up
  • Reduces on-stage audio clutter for better overall mix & less feedback
  • Use any number of M2R Stereo Receivers (with Personal Mix Control) on the same frequency
  • Audio-Technica earphones with proprietary dynamic drivers offer full frequency response and outstanding isolation
  • Personal fit with 3 sizes of rubber eartips plus ear-conforming foam tips
  • Auxiliary input offers connection point for ambient microphone, click track, or other mic- or line-level input.


Operating Frequencies Band E: 790.000 to 822.000 MHz, 100 frequencies 
Band F: 832.000 to 865.000 MHz, 100 frequencies 
Band L: 575.000 to 608.000 MHz, 100 frequencies 
Band M: 614.000 to 647.000 MHz, 100 frequencies 
Not all frequency bands available in all areas. Please check with local regulations.
Minimum Frequency Step 25 kHz
Modulation Mode FM stereo
Maximum Deviation 40 kHz
Dynamic Range 90 dB (typical), A-weighted
Total Harmonic Distortion <1% at (1 kHz, 20 kHz Deviation)
Operating Range 100 m (300'), typical 
Open range environment with no interfering signals.
Operating Temperature Range -5 C (23 F) to +50 C (122 F) 
Battery performance may be reduced at very low temperatures.
Frequency Response 60 Hz to 13 kHz (+/- 3 dB)
Simultaneous Use 10 channels per band (maximum recommended) 
For assistance with multi-band operation or other frequency coordination issues, please contact your local Audio-Technica customer service representative.

Receiving System Double conversion superheterodyne
RF Sensitivity 20 dBuV (at 60 dB S/N ratio, 50 ohms termination)
Headphone Output Connector 3.5 mm TRS stereo phone jack
Headphone Output Power 65 mW (at 32 ohms)
Antenna Input SMA-type, 50 ohms
Aux Input Connector 3.5 mm TRS stereo phone jack
Batteries 2 x 1.5V AA (not included)
Battery Life 8 hours (alkaline) 
Depending on battery type and use pattern
Dimensions 70.0 mm (2.76") W x 
25.0 mm (0.98") D x 
110.0 mm (4.33") H
Net Weight 110 g (3.9 oz), without batteries
Accessories Included EP3 earphone; frequency sticker; flexible antenna

RF Power Output 10 mW/30 mW (switchable internally), 50 ohms 
Limited to 10 mW within 863 MHz to 865 MHz 
Following national regulations
Spurious Emissions Following federal and national regulations
Input Connections XLRF-type/6.3 mm stereo (1/4") combination connector 
Pin 1 and Sleeve: Ground 
Pin 2 and Tip: Hot 
Pin 3 and Ring: Cold
Maximum Input Level XLRF-type/6.3 mm stereo, (1/4") balanced: +26 dBu 
6.3 mm (1/4") mono, unbalanced: +26 dBu
Loop Output Connector XLRM-type connector 
Pin 1: Ground 
Pin 2: Hot 
Pin 3: Cold
Power Requirement 12-18V DC, 600 mA
Antenna Attached whip
Dimensions 210.0 mm (8.30") W x 
132.0 mm (5.20") D x 
44.0 mm (1.70") H
Net Weight 870 g (30.7 oz), without accessories

Download Instruction Manual

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