Galaxy Audio CSL4-BBBBM 4-Channel Digital UHF Wireless Microphone System - Frequency CODE M3 516-558MHz

Managing multiple wireless microphones on a crowded stage should feel effortless—not like fighting for clean frequencies all night. The Galaxy Audio CSL4-BBBBM 4-channel digital UHF wireless microphone system is built for demanding live environments where flexibility, stability and streamlined wireless management are essential. Combining four independent digital UHF True-Diversity receivers into a single 1U rackmount chassis, the system includes four MBP48 bodypack transmitters, antennas, power supply, combined-output cable and quick-start guide for a complete multi-channel wireless foundation ready for lavalier, headset or instrument applications. Features like auto frequency scanning, RF spectrum analysis, IR sync, customizable LCD displays and onboard 7-band EQ per channel help simplify setup while maintaining stable, professional wireless performance for theater productions, worship teams, conference systems, schools and installed sound environments.

Four Channels of Digital Wireless Performance

The CSL4 receiver combines four fully independent digital True-Diversity wireless channels into a compact single-rack-space design ideal for multi-user installations and live production rigs. Operating in the M3 frequency range (516–558MHz), the system offers access to hundreds of selectable frequencies with support for multiple simultaneous wireless systems depending on the operating band. Auto frequency scanning and the built-in RF spectrum analyzer simplify coordination in crowded RF environments, while IR Sync allows transmitters to pair instantly with their assigned channels. With less than 3 ms latency, 32-bit encrypted digital transmission and operating range up to 300', the system delivers dependable audio performance with low-noise clarity and secure signal transmission.

MBP48 Bodypack Transmitters for Flexible Applications

The included MBP48 bodypack transmitters provide a versatile wireless solution for headset microphones, lavaliers and compatible instrument setups. LCD displays offer quick access to frequency, battery life, mute status, gain settings and RF power information for easy operation during performances and presentations. Adjustable four-position input gain allows the bodypacks to adapt to different microphone and source levels, while approximately eight hours of battery life on two AA batteries supports long rehearsals, services and events. Their compact design and reliable PLL phase-locked operation make them ideal for theater performers, presenters, instructors and worship teams who require mobility and discreet wireless operation.

Expandable Connectivity and Professional Integration

The CSL4 receiver provides balanced XLR outputs for each channel plus a summed unbalanced 1/4" output for simplified connection into mixers and installed sound systems. Integrated 7-band EQ processing per channel allows fast tonal adjustments directly from the receiver, while customizable LCD display colors help users quickly identify active channels in complex setups. The system can also expand with compatible Galaxy Audio accessories including lavalier microphones, headset microphones, directional antennas and antenna distribution systems for larger multi-channel installations. Compact, professional and designed for demanding real-world use, the CSL4-BBBBM system delivers a flexible wireless platform for performers and integrators who need dependable multi-channel bodypack operation.