Specification Brand : Schneider Electric BulletPoint : Microphone noise decibel sound sensor measurement modules 3p / 4p Interface for Arduino BulletPoint1 : 【Adjustable Gain】- With a small trimmer potentiometer on the back, our Electret Microphone Amplifier allows you to adjust the gain from 25 to 125 times, down to about 200mVpp from about 6 inches away. BulletPoint2 : 【Superior Sound】- Experience clear and precise audio quality with our Electret Microphone Amplifier boasting a 20-20KHz soldered electret microphone. BulletPoint3 : 【Stable 】- To secure a stable performance, the pins on our Microphone Amplifier showcase remarkable reliability. BulletPoint4 : 【Specific Design】- Utilizing the op-amp MAX4466, specifically designed for amplifiers, our Audio Amplifier ensures maximum efficiency for your projects. BulletPoint5 : 【Versatile Use】- Create vocal converters, audio recording amplifiers, and audio responsive projects with ease using our Amplifier. for projects that require FFT. Color : #111 ExternallyAssignedProductIdentifier1 : 3389110349344 ExternallyAssignedProductIdentifier2 : 03389110349344 IncludedComponents : No ItemName : Schneider Electric Contactor Contactor LC1D12U7 ItemPackageDimensions_Height : 11.1 centimeters ItemPackageDimensions_Length : 5.7 centimeters ItemPackageDimensions_Width : 9.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : motor-contactors Manufacturer : Schneider Electric Material : Copper ModelName : Genericc5xn1hyogb ModelNumber : LC1D12U7 NumberOfChannels : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : LC1D12U7 ProductDescription : 1. Soldered 20-20KHz electret microphone on board 2. The pin has good performance, ensure stable working 3. Use the op amp designed for amplifiers 4. Ideal for projects that use FFT, such as voice converters, audio recording amplifiers, and audio projects 5. On the back side, include a small trimmer potentiometer to adjust the gain. The gain can be set from 25 times to 125 times, down to about 200mVpp (normally, about 6 inches away)