Connector Identifying Number: U-174/U type no.
Frequency Rating: 0.2 kilohertz minimum and 5.5 kilohertz maximum
Impedance Rating: 5.0 ohms nominal
Earphone Element Type: Dynamic
Microphone Element Type:Dynamic
Output Level Rating: 100 to 200 microvolts output level
Earphone Mounting Method: Suspended on adjustable headband
Microphone Mounting Facility: Adapter fastened to left side of headband
Connector Identifying Number : U-174/U type no.
Connector to Junction Cord Length : 19.000 inches and 60.000 inches
Condition: Used, does show some wear but in great condition. Unable to test working condition.