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Affordable IFB Systems

Perfect for film and broadcast production, and high-quality assistive listening.

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The IFBlue receiver provides simplicity and flexibility in a tough package that is intuitive for untrained users to operate. In spite of its small size, the receiver pack offers excellent performance and convenience. The dock charging feature and supplied rechargeable batteries make daily use a snap, while 10 programmable preset frequencies give you excellent flexibility on set or in the studio.

The IFBlue receiver pack is offered in five different frequency ranges to match existing T4 transmitters: VHF (174-216 MHz), A1 (470-537 MHz), B1 (537-614 MHz), C1 (614-692 MHz) and 941 (941-960 MHz).Transmitters available from Lectrosonics include the IFBT4, IFBT4-VHF, or any Digital Hybrid Wireless transmitter in IFB compatibility mode.



Stores up to 10 frequency presets in memory


LCD interface for programming and operation


High sensitivity for extended operating range indoors or outdoor


USB port for firmware update


Compact, rugged injection molded ABS housin


2 AA batteries; alkaline, lithium, or NiMH rechargeable (supplied)


Perfect for ENG

Wireless IFB (interruptible fold back) systems are used for talent cueing and crew communications in broadcast and motion picture production.


Motion Picture

IFB systems are used by directors, producers and crew to monitor the location sound mix during production. The IFBR1C provides a simple interface and ease of use for all day use by all production staff on set.