Audio-Technica M3 Wireless In-Ear Monitoring System, Includes M3T Stereo Transmitter, M3R Stereo Receiver, EP3 Headphones, Band M 614.000 - 647.000MHz

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Product Highlights

  • Up to 16 simultaneous systems per frequency band
  • Three receiver modes
  • Adjustable squelch eliminates annoying static
  • Portable system is quick to load and set up
  • Band M
  • In-Ear
Audio-Technica M3: Picture 1 regular $799.00

About Audio-Technica M3

The Audio-Technica M3 Wireless In-Ear Monitoring System (Band M 614.000 - 647.000MHz) offers stage performers and musicians the freedom of wireless, personalized monitoring without speaker wedges. The system features the M3T transmitter, M32R personal receiver and EP3 in-ear dynamic headphones. Talent can create their own personal monitoring mixes using the intuitive controls on the M3R.

The M3T transmitter features XLR & 1/4" phone combi-connector inputs and XLR loop-through outputs to feed an audio console. There are 1321 selectable frequencies and up to 16 systems can operate simultaneously on each band. An easy to read graphic LED display on the transmitter provides all necessary information and defeatable limiter eliminates sudden peaks in audio signal.

Audio-Technica M3 Features

  • High-fidelity sound with clean, articulate mix allows performers to hear themselves clearly at lower volume
  • 1321 selectable UHF channels with automatic frequency scanning
  • Up to 16 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
  • LCD information display offers step-through menus for setting preferences
  • 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 transmitter is turned off
  • Multi-level limiter (defeatable) helps protect 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 Stereo Receivers (with individual mixes) 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
  • Selectable auxiliary input offers connection point for ambient microphone, click track, or other mic- or line-level input

Audio-Technica M3 Specifications

Operating Frequencies
Band M: 614.000 to 647.000 MHz, 1321 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
16 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
Transmitter: Loop Output Connector
XLRM-type connector
Pin 1: Ground
Pin 2: Hot
Pin 3: Cold
Transmitter: Power Requirement
12-18V DC, 600 mA
Transmitter: Headphone Output Connector
6.3 mm (1/4") TRS stereo phone jack
Transmitter: Headphone Output Power
120 mW at 32 ohms
Transmitter: Antenna Connector
BNC, 50 ohms
Dimensions (WxDxH)
Receiver: 70x25x110mm / 2.75x0.98x4.33"
Transmitter: 210x132x44mm / 8.26x5.19x1.73"
Receiver: 133 g (4.7 oz) without batteries
Transmitter: 930 g (32.8 oz) without accessories
Mfr #
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