Audio-Technica M2M Wireless In-Ear Monitor System, Includes EP3 Headphones, M2T Stereo Transmitter, M2R Stereo Receiver, Band M: 614.000 - 647.000 MHz


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About Audio-Technica M2M

The Audio-Technica M2M 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 1/4" 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.

Audio-Technica M2M Features

  • 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

Audio-Technica M2M Specifications

Operating Frequencies
Band M: 614.000 to 647.000 MHz, 100 frequencies
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
Operating Temperature Range
-5deg. C (23deg. F) to +50deg. C (122deg. F)
Frequency Response
60 Hz to 13 kHz (+/- 3 dB)
Simultaneous Use
10 channels per band (maximum recommended)
Receiver: System
Double conversion superheterodyne
Receiver: RF Sensitivity
20 dBuV (at 60 dB S/N ratio, 50 ohms termination)
Receiver: Headphone Output Connector
3.5 mm TRS stereo phone jack
Receiver: Headphone Output Power
65 mW (at 32 ohms)
Receiver: Antenna Input
SMA-type, 50 ohms
Receiver: Aux Input Connector
3.5 mm TRS stereo phone jack
Receiver: Batteries
2 x 1.5V AA (not included)
Receiver: Battery Life
8 hours (alkaline)
Transmitter: RF Power Output
10 mW/50 mW (switchable), 50 ohms
Limited to 10 mW within 863 MHz to 865 MHz
Transmitter: Spurious Emissions
Following federal and national regulations
Transmitter: 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
Transmitter: Maximum Input Level
XLRF-type/6.3 mm stereo, (1/4") balanced: +26 dBu
6.3 mm (1/4") mono, unbalanced: +26 dBu
Transmitter: Loop Output Connector
XLRM-type connector
Pin 1: Ground
Pin 2: Hot
Pin 3: Cold
Transmitter: Power Requirements
12-18V DC, 600 mA
Transmitter: Antenna
Attached whip
Dimensions (WxDxH)
Receiver: 70.0x25.0x110.0mm / 2.75x0.98x4.33"
Transmitter: 210.0x132.0x44.0mm / 8.26x5.19x1.73"
Receiver: 110g / 3.88oz (without batteries)
Transmitter: 870g / 30.68oz (without accessories)
Mfr #
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