The UltraMonitor delivers the final word on high-powered, critical monitoring. Specifically designed for touring reinforcement, the highly accurate, rugged UM-1C biamplified system consists of a proprietary12-inch low-frequency driver in a vented enclosure, and a symmetrical pattern 45-degree high-frequency horn with driver. The UM-1C proprietary drivers provide exceptional efficiency and power handling,with ultra-low distortion for high clarity. Very flat frequency response allows control of feedback at high sound levels.