Used Rapco Horizon MS-4 Signal Processor

Used Rapco Horizon MS-4 Signal Processor in fair condition—an affordable way to shape and manage audio for live sound, rehearsal rooms, or installed systems. This MS-4 is a 4-channel signal processor designed for clean routing and control, offering practical level management and dependable performance in a rugged, rack-friendly format. Expect cosmetic wear and signs of use, but solid utility for everyday audio tasks where value matters.