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

When multiple presenters need complete freedom of movement without the visibility of handheld microphones, a dedicated lavalier system becomes the ideal solution. The Galaxy Audio CSL4-VVVVM 4-channel digital UHF wireless microphone system is designed specifically for professional multi-user wireless applications, combining four independent digital UHF True-Diversity wireless channels into a compact 1U rackmount platform optimized for discreet bodypack operation. This complete package includes one CSL4 quad-channel receiver, four MBP48 bodypack transmitters paired with LV13-UBK-GAL lavalier microphones, antennas, power supply, combined-output cable and quick-start guide. With advanced features including auto frequency scanning, RF spectrum analysis, IR sync, customizable LCD displays and onboard 7-band EQ per channel, the system delivers dependable wireless performance for conference facilities, houses of worship, schools, theaters and corporate AV environments.

Four Channels of Digital UHF Wireless Reliability

The CSL4 receiver integrates four fully independent digital True-Diversity wireless channels into a single-rack-space chassis engineered for dependable operation in challenging RF environments. Operating within the M-Band frequency range of 520–554MHz, the system provides access to 1,360 selectable frequencies and supports up to 17 compatible wireless systems simultaneously. Auto frequency scanning and the built-in RF spectrum analyzer help simplify frequency coordination, while IR Sync enables fast transmitter pairing. With less than 3 ms latency, 32-bit encrypted digital transmission and operating range up to 300', the system delivers secure, low-noise wireless audio suitable for professional live and installed applications.

Discreet Lavalier Performance for Professional Presentations

Each included LV13-UBK-GAL lavalier microphone is designed to provide clear, intelligible speech reproduction while maintaining a low-profile appearance. The unidirectional pickup pattern helps focus on the speaker’s voice while reducing unwanted ambient noise, making the microphones ideal for presentations, panel discussions, worship services and educational environments. Paired with the MBP48 bodypack transmitters, users benefit from adjustable gain settings, LCD status displays and approximately eight hours of operating time on two AA batteries, ensuring dependable performance throughout long events and presentations.

Flexible Connectivity and System Expansion

The CSL4 receiver offers balanced XLR outputs for each individual channel as well as a summed unbalanced 1/4" output for streamlined integration with mixers, powered speakers and installed sound systems. Built-in 7-band EQ processing on every channel allows quick tonal adjustments directly from the receiver, while customizable display colors simplify channel management during operation. Designed for professional scalability, the system also supports expansion with compatible Galaxy Audio wireless accessories and antenna distribution solutions. Compact, reliable and optimized for multi-user lavalier applications, the CSL4-VVVVM provides a professional wireless platform for facilities that demand both flexibility and consistent performance.