Used BSS Audio MSR-604 Signal Processor

Looking for premium audio control? This Used BSS Audio MSR-604 Signal Processor is in great condition and delivers top-tier performance for professional audio systems. Designed with four modular slots, it supports a variety of signal processing functions, including gating, compression, and EQ—making it perfect for installations and live sound applications. With its rugged 1U rackmount chassis and intuitive front-panel controls, the MSR-604 provides flexibility and reliability. Each module operates independently, allowing customized signal paths with minimal noise and distortion. Whether you're upgrading your studio or live rig, this processor offers outstanding value and proven durability.