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The TOA Electronics NM-01 Noise Masking Module is designed to be used in conjunction with TOA's 9000M2, 900, 700 and BG-2000 series amplifiers. This module generates a noise source to be used for sound masking and audio privacy applications. Such applications include open-plan office environments or smaller spaces where distracting or private conversations need to be made unintelligible. The module allows connection of optional external signal processing equipment, such as an equalizer, as required. A simple contact allows for muting of this noise source, if desired.