The THEOS DIFB (Global Unit) is a digital IFB receiver with a metal body, designed for professional production environments. Its hardware features an ultra-wide 550–960 MHz tuning range with Global OneBand™ to comply with local RF regulations. A true-diversity system with two SMA antenna connectors helps maintain a stable signal.

The user interface includes a large colour display and a metal dial for volume control and selection. It features a locking 3.5 mm headphone connector, is compatible with THEOS transmitters and supports scanning and pairing. Up to 20 frequency presets can be stored for efficient switching.

Power is supplied by two AA batteries, providing up to 17 hours of operation with lithium batteries, or via USB-C for continuous external power. A text-to-speech function announces the DID name for channel identification.

For remote management, the receiver connects to the Sidus Audio app via Bluetooth, enabling RF scans, preset-bank programming and frequency coordination. It also supports direct connection to Bluetooth headphones.

Kit contents

• 3 × DIFB receivers

• 1 × DBTX transmitter

• 1 × C12 coiled cable

• 7 × SAM antennas

• Antenna caps: 4 red, 4 yellow and 4 blue

• 4 × belt clips

Headphones or earpieces are not included.