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DEITY MICROPHONES

THEOS DIFB

Dual SMA antenna ports, proprietary digital RF modulation, 105 dB dynamic range, compact metal body, Bluetooth app support, AA battery powered


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Description

The Deity THEOS DIFB is a compact, metal-body IFB receiver built for film and television crews who need reliable, low-friction audio monitoring on set. With dual removable antennas for robust reception, a bright screen, and simple front-panel controls, it's designed to keep directors, clients, and script supervisors connected to the feed without slowing down the shoot. Pop it on a belt, plug in your headphones, and you're ready to monitor.

Beyond the basics, the DIFB adds modern conveniences that streamline daily use. You get fast auto-scanning to find clean frequencies, a "bank" library to save favorites, and a voice reminder option that can speak frequency changes so you can keep your eyes on set. Power comes from two AA batteries, with selectable battery profiles for accurate runtime readouts. There's a standard 3.5 mm output for wired headphones plus built-in Bluetooth so you can pair supported wireless headphones when cables would get in the way. Firmware updates and app control (via Sidus Audio) round out a receiver that's easy to configure and hard to rattle.

Features

Reliable Wireless Audio: Offers stable wireless audio transmission for film and TV production environments.

Interference Avoidance: Automatically scans and selects clean frequencies to avoid signal disruption.

Compact and Durable Design: Built with a full metal body that is both rugged and portable for easy on-set use.

Customizable Frequency Bank: Allows users to store and organize frequency settings for quick access.

Bluetooth Control and Monitoring: Connects to the Sidus Audio app for wireless control and supports Bluetooth headphones for audio monitoring.

Eco Mode Option: Reduces screen brightness and power usage to extend battery life.

Multiple Battery Types Supported: Works with several common battery types, including rechargeable options.

Bright and Adjustable Display: Offers adjustable screen brightness for visibility in different lighting conditions.

Voice Prompts and System Sounds: Includes optional voice alerts for quick feedback on settings and actions.

Firmware Upgradable: Can be updated via USB or app to stay current with the latest improvements.

Multi-Language Support: Interface available in both English and Chinese for broader accessibility.

Compatible with Popular Bluetooth Headphones: Supports a wide range of brands and models for user convenience

Specifications

General Specifications:

Wireless IFB System Receiver

Model: THEOS DIFB

Designed for film and television coordination

Supports multi-person setups

RF Specifications:

RF Frequency Ranges: Region-dependent allocations

RF Frequency Step: 100kHz

RF Bandwidth: 200kHz

Minimum Frequency Interval: 700kHz

Dynamic Range: 105dB

Distortion: <0.5%

DAC Bit-Depth: 24-bit

Power:

Battery Type: 2 - AA

Battery Life with DEITY AA and Bluetooth Off: 17 hours

Audio Connections:

3.5mm Audio Output

Suggested Headphone Impedance: <64 Ohms

Antenna:

Antenna Connector: 2 - S005SMA

Antenna Interface: SMA-type

Interface & Controls:

Rotary/Push Button for volume and frequency selection

ON/OFF/Back Button

Up Button

Down Button

OK/Menu Button

Screen with frequency, battery, TX level, and Bluetooth status display

TX LED Indicator shows volume from -40dB to 0dB using color and brightness

Power LED Indicator glows green (battery good), red (battery low)

Bluetooth Features:

App Control via Sidus Audio App

Bluetooth Headphone Monitoring Enabled

Unique MAC Address for each unit

Compatible Headphones include Apple AirPods 4, Huawei FreeBuds 5i, JBL T280TWS X3, Sony WF-1000XM4, Sennheiser MOMENTUM TW2

System Settings:

ECO Mode reduces screen brightness and power consumption

Screen Timeout Options: Never, 15s, 1min, 5min

Adjustable Screen Brightness: 5 levels

Rotary Switch Assignable to Volume or Volume + Frequency

Voice Broadcast (TTS) Toggle

System Reset Option

Firmware Upgrade via USB (exFAT/FAT32 supported)

Physical Specifications:

Dimensions: 82.5 - 64.2 - 19.90 mm

Weight Without Battery and Antenna: 105.9g

Weight With Battery and Antenna: 148.5g

Operating Temperature: -20C to +45C (-4F to +113F)

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