RS PRO Omni-Directional, Through Hole 6mm Microphone Condenser -38dB
7mm, Maximum Frequency: 20kHz, Maximum Operating Temperature: +70°C, Minimum Frequency: 20Hz, Minimum Operating Temperature: -20°C.RS PRO Omni-Directional, Through Hole 6mm Microphone Condenser -38dB, Standard Operating Voltage: 2V dc, Output Impedance: 2.4mA, Dimensions: 6 x 2.2kΩ, Signal to Noise Ratio: 58dB(A), Maximum Supply Current: 0.