IEM & IFB Wireless Systems
Lectrosonics offers a line of in-ear monitoring and a line of IFB communication systems: the M2 Duet digital IEM platform for touring and live sound, and the IFBT4/IFBR1B analog IFB line built for broadcast.
IFB SYSTEM
IEM SYSTEM
IEM Systems (M2 Duet)

Includes Models: M2T and M2Ra (plus the M2C Antenna Combiner & DCHT transmitter)
The new, next-generation M2Ra receiver pack for the Duet Digital Wireless system offers superior RF and audio performance including true stereo imaging, a re-designed menu structure for ease of use, and additional compatibility modes for encrypted use. Since its original introduction in late 2017, the Duet Digital Wireless Monitor System (IEM) has included features not found on any other system and remains one of the only professional digital IEM platform on the market. The M2Ra also includes direct compatibility with Lectrosonics mono digital transmitters.
The Duet system is twice TEC Award nominated, and is featured in this user profile story about the Foo Fighters 2023/24 World Tour.
IFB Systems Overview
Includes Models: IFBT4, IFBT4-VHF & IFBR1B
Lectrosonics IFB systems have been the standard in the broadcast industry for more than 2 decades. With robust, all-metal construction, a wide range of frequency bands available including VHF, UHF, and 941 MHz, system integration becomes easier while avoiding band overlaps with wireless mic systems. Receivers offer 10 presets and drop-in battery charging with optional tray chargers.













