Shure SLXD4+=-G57 Digital Wireless Rackmount Receiver (G57: 470 to 608 MHz) For Sale

The Shure SLXD4+ is a professional single-channel digital wireless receiver designed for live sound, installed audio, broadcast, and house of worship applications. Built on the SLX-D+ platform, it delivers transparent digital audio, expanded wideband RF performance, and advanced hands-free wireless management tools for reliable operation in demanding environments. The SLXD4+ features a rugged half-rack metal chassis with balanced XLR and 1/4” output connections, and removable antennas.Transparent Digital Audio and Wideband RF PerformanceThe SLXD4+ delivers clear, accurate 24-bit digital audio with greater than 118 dB of dynamic range. A wide tuning range of up to 138 MHz (regionally dependent) provides broad geographical coverage and simplified frequency coordination. The receiver supports up to 11 simultaneous systems per 6 MHz TV band and up to 14 systems per 8 MHz TV band, making it well suited for scalable multi-channel deployments.ShowLink Ease Automated Wireless ManagementIntegrated ShowLink Ease technology enables two-way communication between the SLXD4+ receiver and compatible SLX-D+ transmitters. Once linked, transmitters automatically stay in sync with the receiver across power cycles and RF changes. Engineers can remotely change transmitter frequency, adjust gain, lock or unlock controls, deploy new clean frequencies when interference is detected, link a second transmitter to the same receiver channel, and perform over-the-air firmware updates—without physically accessing the transmitter.Wireless Workbench Desktop and Mobile ControlThe SLXD4+ integrates seamlessly with Shure Wireless Workbench desktop software and the Wireless Workbench Mobile app. Users can monitor RF performance, configure system parameters, manage transmitters via ShowLink Ease, and perform interference monitoring over Wi-Fi or Bluetooth. A high-contrast, backlit LCD screen on the receiver's front panel provides clear visibility of essential system status information for quick setup and monitoring in low-light environments.Integrated Digital response ReductionPatented Shure Digital response Reduction (DFR) software is embedded directly into the SLXD4+ receiver. DFR automatically detects and suppresses response using dynamic notch filtering, improving clarity and system stability in live sound environments where acoustics and microphone placement may be unpredictable.