Deity THEOS DIFB

Professional Digital IFB Receiver with Wideband UHF & True Diversity

The THEOS DIFB (Global Unit) is a professional digital IFB receiver engineered for reliable monitoring in demanding production environments. Built with a durable metal housing and advanced RF architecture, it delivers stable performance across a wide frequency range while maintaining simple, intuitive operation.

Wideband UHF with Global OneBand™

Operating across an ultra-wide 550–960 MHz spectrum, the DIFB provides flexible frequency selection for use in various regions.*

• Broad tuning capability

• Designed for compliance with local RF regulations

• Ideal for complex wireless environments

*Available frequencies depend on regional laws.

True-Diversity Reception

The receiver features a true-diversity design with dual SMA antenna connectors. By constantly evaluating signal strength from two antennas, the system helps maintain a strong and consistent audio feed.

• Reduced signal dropouts

• Improved RF stability

• Reliable monitoring performance

Professional Interface & Controls

A bright, full-color display clearly shows essential information such as frequency, battery status, and signal strength. A solid metal rotary knob allows quick navigation and precise volume control.

The locking 3.5mm headphone output ensures secure audio monitoring, preventing accidental disconnection during production.

Fast Setup & Frequency Management

The DIFB is compatible with THEOS transmitters and supports scan-and-pair functionality for quick deployment.

• Automatic frequency scanning

• Easy transmitter pairing

• Store up to 20 frequency presets

• Fast switching between saved channels

This makes it ideal for productions requiring efficient channel management.

Flexible Power Options

The receiver operates on two AA batteries, delivering up to approximately 17 hours of runtime with lithium cells. For extended use, the USB-C port allows continuous external power.

Bluetooth Integration & Remote Control

With built-in Bluetooth connectivity, the DIFB integrates with the Sidus Audio™ app for remote management.

Through the app, users can:

• Perform RF scans

• Program preset banks

• Coordinate frequencies

• Adjust system settings

The receiver also supports direct connection to Bluetooth headphones for added monitoring flexibility.

Audible Channel Identification

A built-in text-to-speech feature announces the DID (Device ID) name, allowing quick channel confirmation without checking the screen — especially useful in fast-paced environments.

Built for filmmakers, broadcasters, and production professionals, the THEOS DIFB (Global Unit) delivers dependable wireless monitoring with flexible control and durable construction.