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LECTROSONICS

IFBT2.0: B1 (537-614 MHz)

IFB/IEM Transmitters

Dual-channel IFB transmitter, UHF 537–614 MHz band, digital hybrid compatibility, Dante and AES inputs, adjustable RF power, USB-C and Ethernet connectivity

$5,329.00 CAD
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Description

The Lectrosonics IFBT2.0 in the B1 band (537–614 MHz) is a dual-channel IFB transmitter designed for reliable, high-quality audio distribution in professional broadcast and production environments. Housed in a compact half-rack format, it delivers two independent transmission channels, making it well suited for IFB feeds, backstage communication, and point-to-point audio applications. Its rugged all-metal construction and clear color LCD interface provide durability and ease of use in both studio and field setups.

This B1 version offers flexible operation within the 537–614 MHz range, aligning with commonly used UHF frequencies for wireless systems . It supports a wide range of input types, including analog mic and line, AES, and Dante, allowing seamless integration into modern audio workflows. As highlighted in the overview document, the system also features advanced RF design with built-in isolation to reduce interference and support more efficient frequency coordination . With compatibility across legacy and current receivers, along with intuitive control via front-panel menus or software, it provides a dependable and flexible solution for managing wireless audio transmission.

Features

Dual-Channel Transmission
Delivers two independent audio channels in a compact unit for efficient multi-channel setups.

Wide B1 Frequency Range
Operates within the B1 band, providing reliable performance across commonly used UHF frequencies.

Flexible Input Connectivity
Supports mic, line, AES, Dante, ClearCom, and RTS inputs for seamless integration into any workflow.

Digital and IFB Compatibility
Works with a wide range of existing receivers and systems, ensuring easy integration with current setups.

High-Quality Audio Transmission
Delivers clear, full-range audio with options for high-fidelity point-to-point operation.

Adjustable RF Power
Selectable power levels allow you to balance coverage and interference depending on the environment.

Interference-Resistant Design
Built-in RF isolator reduces unwanted interference and improves frequency coordination.

Remote Control and Monitoring
Compatible with Wireless Designer software for system setup, monitoring, and control.

Intuitive User Interface
Color display with tactile controls makes setup and operation fast and straightforward.

Rugged Rackmount Build
Durable metal construction in a compact half-rack format for reliable use in demanding environments.

Specifications

General Specifications
Device Type: UHF Dual-Channel IFB Rack Transmitter
Form Factor: Half-rack (1/2 RU) enclosure
Channels: 2 independent transmitters
Compatibility Modes: IFB, Digital Hybrid Wireless®, NU Hybrid, EU Hybrid
Control Interface: Backlit LCD with menu-driven controls and tactile buttons
Software Compatibility: Wireless Designer

RF Specifications
Frequency Range: 537.600 – 614.375 MHz (B1 band, E01 international version)
Frequency Step Size: 25 kHz
Frequency Stability: ±0.002%
RF Power Output: 10 mW, 25 mW, 50 mW (EU/International version)
Modulation: FM
Emission Designator: 110KF3E
Spurious Radiation: ETSI EN 300 422-1 compliant

Audio Specifications
Frequency Response (IFB Mode): 100 Hz – 8 kHz ±1 dB
Frequency Response (Hybrid Mode): 40 Hz – 20 kHz ±1 dB
Equivalent Input Noise: –128 dBV
Latency (Digital Source): 2.3 ms – 3.6 ms
Latency (Analog Source): 1.2 ms – 2.6 ms

Audio Input
Input Types: Mic, Line, ClearCom, RTS1, RTS2, AES digital
Input Levels: 0 dBu (Line/RTS), -10 dBu (ClearCom), -42 dBu (Mic)
Input Impedance: >2 kΩ balanced, >1 kΩ unbalanced
Input Connectors: 2 × XLR/TRS combo (balanced analog/AES3)
Dante Inputs: 2 × RJ45, 4-channel receive, internally routable

Connectivity
USB: USB-C (firmware updates, control)
Ethernet: RJ45
IR Interface: Infrared transceiver for setup
Headphone Output: 3.5 mm stereo jack
Antenna Output: 2 × BNC

Power
Power Input: 9 – 18 VDC via Hirose 4-pin connector
Power Consumption: <10 W

Mechanical
Construction: All-metal chassis with aluminum front panel
Dimensions: 1.75” (H) × 8.375” (W) × 7.75” (D)
Weight: 2.2 lbs (997.9 g)

Features
RF Channels: Dual carrier transmission (one audio channel per carrier)
RF Isolation: Integrated circulator/isolator reduces intermodulation
Frequency Coordination: Built-in and software-assisted
Digital Audio Support: AES and Dante
Analog Audio Support: Mic, line, RTS, ClearCom with DC blocking

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