The 1133 measures sound across a very wide range, with a frequency range of 100Hz to 8kHz and pressure level from 50dB to 100dB. Product Specifications Characteristic Value Current Consumption 8.5 mA Resolution 30mV/db Input Sound Range 50db to 100db Error (@ 1000Hz) ±3db Input Frequency Range 100Hz to 8kHz Product Features Measures sound pressure level (SPL) between 50db to 100dB Frequency range of 100Hz to 8kHz Can be used to detect sounds, and approximate how loud the sound is The sensor is Non-Ratiometric. Comes packaged with: A 3002 – 60cm Sensor Cable Resources Product Manual This sensor connects to an Analog Input on the: 1018 - PhidgetInterfaceKit 8/8/8 1019 - PhidgetInterfaceKit 8/8/8 w/6 Port Hub 1070 – PhidgetSBC 1202 – PhidgetTextLCD 1203 – PhidgetTextLCD