Professional Miniature Ultra-High Sensitivity Boundary Microphones, Stereo - Made in USA

Frequency Response - 20-20,000 Hz Signal To Noise Ratio - 62dB Open Circuit Sensitivity -23dB Maximum Input Sound Level - 120dB Dynamic Range - 96dB Polar Pattern - Omnidirectional Dimensions in inches - .60 1.30 1.30 Microphone Body Material - Black Plastic Power Requirements - 2-12vdc "plug in power" from recording device