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The Symetrix 371 SPL Computer automatically raises and lowers sound system levels in response to changes in ambient noise conditions.Designed for installations featuring foreground music and/or paging, it ensures that music and announcements are always clearly audible and distinct, but never too loud. Proprietary AmbiSense technology enables the 371 to continuously monitor changing ambient noise levels not just during gaps in the audio program so it can respond quickly to sudden changes. RC-3 Remote Volume Control is available for the 371. FEATURES: Uses Microphone for Noise Sensing Continuously Monitors Ambient Noise Levels Headphone Monitoring Monitor 3 Operating Modes Active History displays the lowest and highest SPL readings Bypass bypasses the gain control Signal Path Controls mono or stereo signals Easy Calibration Use step-through menus Ratio Adjustment Sense Signal Monitoring Display
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