Lectrosonics M2 Duet System M2Ra – IEM/IFB Receiver

The Lectrosonics M2 Duet System M2Ra is an advanced in-ear monitor (IEM) and interruptible foldback (IFB) receiver designed for professionals in live performance and broadcast environments. This versatile receiver combines exceptional audio quality with reliable performance, making it the go-to choice for sound engineers, musicians, and broadcasters alike. The M2Ra is part of the M2 Duet series, known for its innovative technology that provides crystal-clear audio transmission over a wide range of frequencies.

Featuring a compact and lightweight design, the M2Ra ensures maximum comfort for users, allowing for extended wear without fatigue. Its user-friendly interface includes a bright OLED display that provides clear information about battery life, audio levels, and signal strength. The device is equipped with advanced digital signal processing, ensuring minimal latency and interference, which is crucial for live performances where timing is everything.

One of the standout features of the M2Ra is its ability to operate on multiple frequencies, making it suitable for a variety of applications. The built-in scanning function helps users find the clearest channels, reducing the chances of interference from other devices. With its robust build quality and reliable performance, the M2Ra is engineered to withstand the rigors of professional use, whether on stage or in the studio.

Key Features

• High-quality audio transmission for IEM and IFB applications
• Compact and lightweight design for comfort during long performances
• Bright OLED display for easy monitoring of status and settings
• Advanced digital signal processing for low latency and minimal interference
• Multi-frequency operation with scanning capabilities for clear channel selection
• Durable construction suited for professional environments

Technical Specifications

Frequency Range
470 - 608 MHz

Operating Spectrum (dependent on Locale)
A1B1:
NA: 470.100 - 607.950 MHz
EU: 470.100 - 614.375 MHz
AU: 520.000 - 614.375 MHz
JA: 470.100 - 614.375 MHz

Modulation Type
8PSK with Forward Error Correction

Encryption Type
AES-256 in CTR mode

Latency (overall system)
Digital Source: 1.0 ms plus Dante network
Analog Source: <1.6 ms

Audio Frequency Response
20 Hz - 20 kHz

Audio Performance
Frequency Response: 10 Hz - 12 kHz, +0, -3dB
THD+N: 0.15% (1kHz @ -10 dBFS)
Dynamic Range: >95 dB weighted
Adjacent Channel Isolation: >85 dB
Third Order Intercept: +15 dBu

Dynamic Range
100 dB

Diversity Type
Switched antenna phase, during packet headers

Audio Output
3.5 mm stereo jack

Power Requirement
2 x AA batteries (3.0V)

Battery Life
7 hours; (2) Lithium AA

Power Consumption
1 W

Dimensions
Height: 3.5 in. / 90 mm. (with knob)
Width: 2.375 in. / 60.325 mm.
Depth: 0.625 in. / 15.875 mm.

Weight
5.6 ounces / 159 grams (with batteries)

THD (Total Harmonic Distortion)
< 0.5%

What's Included

• 2 – 35983 Case Insulating Pad M2R
• 2 – AA Lithium Metal Batteries
• 35854 .035 Allen Hex Key
• Instruction Manual