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Audio Technica M3 IEM In-Ear Monitoring System

£690.00 £575.00 (ex. vat)

Audio Technica M3 IEM

  • Audio Technica M3 IEM
  • Audio Technica M3 IEM

Audio Technica M3 IEM In-Ear Monitoring System

The Audio-Technica M3 IEM system offers a choice of 1321 UHF channels and easy-to-read LCD information displays on both transmitter and receiver for setting preferences. The stereo monitor system is equipped with Audio-Technica's versatile Personal Mix Control, which allows volume and mix control of two independent signals on stage, via controls on the M3R stereo body-pack receiver.

While up to 16 complete M3 systems may be used simultaneously, any number of M3R stereo receivers can operate on the same frequency with a single M3T stereo transmitter. The M3T Stereo Transmitter is equipped with two XLR and 1/4-inch combo input connectors into which users can connect line-level inputs (from a mixing console, for example). The M3T also offers a headphone output that allows you to monitor transmitter input signals directly.

M3 Components

  • EP3 Headphones - In-ear dynamic headphones offer high-fidelity sound and excellent isolation
  • M3T Stereo Transmitter - Wireless UHF transmitter (frequency-agile) offers LCD display and 1321 user-selectable frequencies
  • M3R Stereo Receiver - Personal Mix Control in a lightweight body-pack with backlit LCD display

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 an ear-conforming foam tip
  • Selectable 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, 1281 frequencies
    • Band F: 832.000 to 865.000 MHz, 1282 frequencies
    • Band L: 575.000 to 608.000 MHz, 1321 frequencies
    • Band M: 614.000 to 647.000 MHz, 1321 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: 16 channels per band (maximum recommended) 


  • 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
  • Headphones 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: 133 g (4.7 oz), without batteries
  • Accessories Included: EP3 earphone; flexible antenna


  • Power Output: 10 mW/50 mW (switchable), 50 ohms Limited to 10 mW within 863 MHz to 865 MHz Following national regulations
  • Spurious Emissions: Following federal and national regulations
  • Input Connection: 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 Connection: XLRM-type connector Pin 1: Ground Pin 2: Hot Pin 3: Cold
  • Power Requirement: 12-18V DC, 600 mA
  • Headphone Output Connector: 6.3 mm (1/4") TRS stereo phone jack
  • Headphone Output Power: 120 mW at 32 ohms
  • Antenna Connector: BNC, 50 ohms
  • Dimensions: 210.0 mm (8.30") W x 132.0 mm (5.20") D x 44.0 mm (1.70") H
  • Net Weight: 930 g (32.8 oz), without accessories
  • Accessories Included: AC adapter (country dependant); rack mount adapters; flexible antenna

View on the Audio Technica Europe Website.

Manufacturer Audio Technica
Model M3IEM
GTIN 5055145740231
Audio Technica
Audio Technica
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