4-Pin Connector
Silver/Chrome Cycolac Case
Noise Canceling Dynamic Microphone
6-Conductor Black Coiled Flex Cord
2 Position Momentary Slide Switch, Normally Open Contacts 
Frequency Response: 100Hz - 8kHz, Output Level @ 1kHz
Open Circuit: -72dB (ret. 0dB = 1V/Ohm Bar 
Power Level: -55dB (ret. 0db = 1Mw/10 Ohm Bar
Output Impedance: 2000 Ohms (Matches 600-5000 Ohm Inputs)