Audio-Technica's advanced M3 IEM system offers a full range of professional in-ear monitoring features, with 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 gives 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/1" 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

• 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

Overall Specifications

• 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: ą40 kHz
• Dynamic Range: 90 dB (typical), A-weighted
• Total Harmonic Distortion: <1% at (1 kHz, ą20 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)
  For assistance with multi-band operation or other frequency coordination issues, please contact you regional Audio-Technica customer service representative.

Receiver Specifications

• 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

Transmitter Specifications

• 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