Velleman Microphone sound sensor, 3.3-5 VDC, sensitivity 48-66 dB, white

Arduino-Compatible Microphone Sound Sensor This is a high sensitivity sound detection module with two outputs. AO - analog output, real-time output voltage signal of the microphone. DO - the digital output depends on the sound intensity and the threshold that has been set. Specifications: Voltage: 3.3 to 5 VDC Outputs: one analogue + one digital output Fixation: 1 mounting screw hole 3 mm 2 indicator LEDS: 1 power indicator + 1 comparator output indicator Frequency response: 50 Hz - 20 KHz Impedance: 2.2 K Ohm Sensitivity: 48 - 66 dB Operating temperature: -40 to +85°C Size: 44 x 15 x 10 mm Weight: 4 g