The Deity Microphones Hush Wireless DIFB Interruptible Foldback Audio Kit (550 to 960 MHz) delivers clear, dependable on-set communication with an interruptible foldback (IFB) system built for professional production. Designed for strong RF performance, it maintains stable connections and clean coordination even in crowded spectrum environments, making it a reliable choice for broadcast, live production, and busy film or television sets.
This production-ready kit includes three rugged DIFB receivers, one DBTX transmitter, a C12 cable, locally tunable cuttable antennas, and four belt clips—providing a complete digital IFB solution right out of the box. Scalable and easy to deploy, the HUSH system adapts smoothly from small crews to complex, multi-channel workflows.
Cleaner Coordination, Fewer RF Surprises
HUSH Wireless is built around a new RF architecture optimized for real-world reliability. Operating across an ultrawide 550 to 960 MHz frequency spectrum using a 175 kHz RF bandwidth and professional-grade 300 kHz channel spacing, users can place up to five channels within a 2 MHz block, allowing efficient use of crowded spectrum while maintaining stable, predictable performance across multi-channel deployments. The transmitter offers an adjustable RF output level ranging from 10 to 100mW, allowing you to prioritize battery life or transmission power depending on your requirements.
Bulk Setup from Your Phone
Instead of programming receivers one at a time, the Sidus Audio app enables RF scanning, preset management, and bulk syncing across multiple units from a mobile device. Copy settings from one receiver to the next with a single action, dramatically reducing setup time on large or fast-moving productions.
True-Diversity Receiver with Rugged Metal Build
Each DIFB receiver features a CNC-machined metal chassis designed to withstand the demands of rental and production environments. A true-diversity RF design with dual SMA antennas helps maintain strong, consistent links, while a bright color display and metal volume/selector knob provide intuitive on-body control. The locking 3.5mm headphone output ensures secure monitoring throughout the day. Built-in Bluetooth allows users to monitor via wireless earbuds and headphones.
All-Day Power with Flexible Options
Designed for extended production schedules, each receiver delivers up to 17 hours of runtime on lithium AA batteries. USB-C external power support provides additional flexibility for carts, fixed installations, or continuous operation.
Fast Preset Changes with Audio Confirmation
The system stores up to 20 presets for rapid frequency changes as RF conditions evolve. Integrated text-to-speech announces the device ID directly in the headphones, allowing users to confirm their monitored feed instantly without looking at the receiver.
Digital Audio with Ultra-Wideband Flexibility
HUSH Wireless uses digital audio transmission to deliver clear, high-fidelity monitoring without the hiss or crackle common to analog IFB systems. Its ultra-wideband design spans the TV band, 600 MHz, and ISM ranges, helping crews find clean spectrum quickly and maintain reliable long-range monitoring in complex RF environments.
