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

When every presenter, instructor or performer needs the freedom to move without sacrificing audio clarity, a dependable multi-channel wireless system becomes the backbone of the production. The Galaxy Audio CSL4-SSSSM 4-channel digital UHF wireless headset microphone system is built specifically for those applications, combining four independent digital UHF True-Diversity wireless channels into a compact 1U rackmount solution optimized for hands-free operation. This complete package includes one CSL4 quad-channel receiver, four MBP48 bodypack transmitters paired with HS13-UBK-GAL headset microphones, antennas, power supply, combined-output cable and quick-start guide. With auto frequency scanning, RF spectrum analysis, IR sync, customizable LCD displays and onboard 7-band EQ per channel, the system delivers reliable wireless performance for worship services, theater productions, fitness instruction, education and professional presentations.

Four Channels of Digital UHF Wireless Performance

The CSL4 receiver integrates four fully independent digital True-Diversity wireless channels into a single-rack-space chassis designed for dependable operation in demanding RF environments. Operating in the M-Band frequency range of 520–554MHz, the system provides access to 1,360 selectable frequencies and supports up to 17 compatible systems operating simultaneously. Auto frequency scanning and the integrated RF spectrum analyzer simplify channel 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 provides secure, low-noise wireless performance for professional applications.

Hands-Free Headset Performance for Active Environments

Each included MBP48 bodypack transmitter is paired with an HS13-UBK-GAL headset microphone, creating a hands-free solution ideal for users who need unrestricted movement while maintaining consistent vocal pickup. The headset’s dual-ear wraparound design helps keep the microphone securely positioned throughout long presentations, performances and active instruction sessions. LCD displays on the bodypacks provide real-time information including frequency, battery status, mute status, gain settings and RF power, while adjustable input gain allows the system to adapt easily to different users and performance environments.

Professional Connectivity and Flexible System Expansion

The CSL4 receiver offers balanced XLR outputs for each individual channel as well as a summed unbalanced 1/4" output for simplified integration into mixers 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 make channel identification fast and intuitive during live operation. Designed for scalability, the system can also be expanded with compatible Galaxy Audio wireless accessories and antenna management solutions. Compact, reliable and optimized for multi-user headset applications, the CSL4-SSSSM delivers professional wireless performance for a wide range of presentation and performance environments.