Specification: Item Type: Noise Prevention Module_x000D_Material: PCB_x000D_Model: DSP100_x000D_Voltage Range: 8?36V Features: 1PROCESSOR APPLICATIONS: Noise prevention microphone module is suitable for preamplified sound processor applications. 2ANTI HOWLING: Noise reduction module for frequency shifting processing, automatic adjustment of whistling, restoration without distortion. 3MODULE PARAMETERS: Noise processing board is PCB material, the model is DSP100, voltage range is 8?36V. 4APPLICABLE OBJECTS: Noise processing microphone module is suitable for microphones, trolley stereo and other devices. 5REPLACEMENT: Sound module board can replace the old or damaged module parts, easy to use and effective. PackageList: 1 x NoisePreventionModule