Sound Sensors and Microphone

HC-SR04 Ultrasonic Ranging Sensor
SKU: 1072
BIN: 2-07-02-02-04

Sound Sensor Module
SKU: 2105
BIN: 2-10-03-03-04

37 Sensors Kit V2.0 (great for Arduino or Raspberry Pi)
SKU: 2871
BIN: 2-06-01-05-05

SparkFun Electret Microphone Breakout
SKU: 2338
BIN: 2-10-04-30-31

HC-SR04 Ultrasonic Sensor Holder/Mount (Blue)
SKU: 1348
BIN: 2-04-01-06-07

SparkFun Sound Detector
SKU: 1319
BIN: 2-10-04-29-04