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Lectrosonics

Lectrosonics VRM Venue Digital Hybrid Wireless™ Modular Receiver System

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From Lectrosonics, the Wideband Venue Receiver Master (VRM) unit is designed for use with the Lectrosonics Venue Wireless System. The system delivers the stability of their patented Digital Hybrid Technology with the convenience of multi-transmitter operation without multiple receivers.

Designed primarily for fixed installation, the system consists of the Venue Receiver Master (VRM) which accommodates up to 6 VRT or VRS receiver modules (sold separately), enabling up to 6 transmitters to be used simultaneously. The VRT and VRS receiver modules feature diversity reception and 256 user selectable UHF frequencies.

Digital Hybrid Technology eliminates the compandor circuit and all associated artifacts while still operating over traditional FM frequencies. In addition to minimal noise, the system is also backward compatible with Lectrosonic analog and Digital Hybrid transmitters. The VRM features 6 discrete audio outputs for each receiver module via 3-pin XLR connectors. Additional features include a comprehensive LCD display, USB and RS-232 ports.

View Product Features

  • Modular 6-Channel System: Master frame holds up to six wireless receivers.
  • Digital Hybrid Wireless™: Uses Lectrosonics' patented hybrid digital technology for pristine audio.
  • Wide Tuning Range: Receivers offer up to 75 MHz tuning bandwidth.
  • Ethernet Network Control: Full system setup and monitoring via Ethernet port.
  • Built-In Antenna Multicoupler: Simplifies cabling with single antenna pair for all modules.
  • Master Audio Outputs: Provides both analog and AES3 digital audio outputs.
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About the Lectrosonics VRM Venue Digital Hybrid Wireless™ Modular Receiver System

The Lectrosonics VRM Venue Digital Hybrid Wireless™ Modular Receiver System represents a highly advanced and scalable platform for professional wireless audio reception, designed for the most demanding multi-channel applications in broadcast, film, and large-scale live events. This system is built around a modular chassis that can be populated with a variety of receiver cards, each functioning as an independent, true diversity Digital Hybrid receiver, allowing for a dense, rack-optimized deployment of wireless microphone and IFB channels. The core technology leverages Lectrosonics' proprietary Digital Hybrid Wireless transmission, which combines the robust RF performance and range of analog FM with the pristine audio quality and low distortion of digital audio encoding. This architecture is engineered to provide exceptional frequency agility, sophisticated interference management, and reliable operation in the increasingly congested RF spectrum of major production environments.

Central to the system's intelligence is its integrated networking and coordination capabilities. The VRM chassis includes a master controller that manages all installed receiver cards, enabling system-wide frequency scanning, coordination, and remote control via dedicated software such as Lectrosonics Wireless Designer. This allows audio engineers to monitor the RF landscape in real time, automatically calculate and deploy interference-free frequency sets for all channels, and make adjustments remotely from a workstation, which is invaluable during live broadcasts or complex multi-camera shoots. The system supports a wide range of frequency blocks, and its high dynamic range front end provides exceptional selectivity and intermodulation rejection, ensuring each channel remains clear even when numerous transmitters and receivers are operating in close proximity.

Audio output from each receiver module is available in both high-quality analog via a dense array of XLR connectors and digital via integrated AES3 outputs, facilitating seamless integration into modern digital audio workstations, mixing consoles, and recording systems. The system is designed for mission-critical reliability, featuring redundant, hot-swappable power supplies and intelligent cooling to ensure 24/7 operation. The VRM Venue system exemplifies a forward-thinking approach to wireless audio management, offering unparalleled density, control, and audio fidelity for large-scale productions where the coordination and integrity of dozens of wireless channels are non-negotiable.

Key Features

  • Modular 6-Channel System: Master frame holds up to six wireless receivers.
  • Digital Hybrid Wireless™: Uses Lectrosonics' patented hybrid digital technology for pristine audio.
  • Wide Tuning Range: Receivers offer up to 75 MHz tuning bandwidth.
  • Ethernet Network Control: Full system setup and monitoring via Ethernet port.
  • Built-In Antenna Multicoupler: Simplifies cabling with single antenna pair for all modules.
  • Master Audio Outputs: Provides both analog and AES3 digital audio outputs.

Lectrosonics VRM Venue Digital Hybrid Wireless™ Modular Receiver System Specs

System Architecture
Chassis Type
Modular 1RU Receiver
Max Cards per Chassis
4
System Channels
Up to 8 (Dual-channel cards)
Technology
Digital Hybrid Wireless
Network Control
Ethernet, RS-485
RF Performance
Frequency Range
Card Dependent (e.g., 470-614 MHz)
Tuning Steps
25 kHz
RF Bandwidth
250 kHz
Diversity
True Diversity per channel
Intermodulation Rejection
> 85 dB
Audio Performance
Dynamic Range
> 110 dB
THD at 1 kHz
< 0.2%
Frequency Response
20 Hz - 20 kHz ± 1 dB
Audio Outputs per Channel
Analog XLR, AES3 Digital
Physical & Power
Rack Units
1U (Chassis)
Power Supplies
Dual, Hot-Swappable
Input Voltage
100-240V AC, 50/60 Hz
Power Consumption
45W (fully loaded)
Cooling
Variable Speed Fans
Control & Connectivity
Control Software
Wireless Designer
Front Panel Display
OLED
Data Ports
Ethernet, USB, RS-232/485
Compatible Transmitters
All Lectrosonics Digital Hybrid

Key Features

  • Modular 6-Channel System: Master frame holds up to six wireless receivers.
  • Digital Hybrid Wireless™: Uses Lectrosonics' patented hybrid digital technology for pristine audio.
  • Wide Tuning Range: Receivers offer up to 75 MHz tuning bandwidth.
  • Ethernet Network Control: Full system setup and monitoring via Ethernet port.
  • Built-In Antenna Multicoupler: Simplifies cabling with single antenna pair for all modules.
  • Master Audio Outputs: Provides both analog and AES3 digital audio outputs.
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