High Quality Amplified Desk Mic Standard Push To Talk And Lock To Talk  Buttons Five Conductor Shielded, Standard Astatic  Color Coded Cable With 4 Pin Mic Conn.

Requires 9V Battery (not included)

The Astatic AST878DMRR Is A Omni Directional  Ceramic Desk Mic Offering A   Rugged Cycloac Resin Housing For Industrial & Commercial Applications.

The Volume Can Be Adjusted With A Potentiometer Located On The Top Of 
The Mic. 

Blue LED Displays When Keyed Indicating
Battery Condition.

The AST878DMRR Is Manufactured To Take Normal Abuse And Retain Its Performance Just As All Astatic Microphones.

Type: Transistorized Ceramic
Output Level: -44dB Below 1 Volt Per Microbar At 1 KHz Into 1 Megohm Load
Output Adjustment: Approx. 40dB Range
Impedance: 5000 Ohms Max., Recommended Load Of 100 Ohms And Up.
Polar Pattern: Omni Directional
Cable: 2 Feet Coiled 6 Conductor Including Shield.
Weight: 19 1/2 Oz
Power: 9v Battery Or Regulated Power Supply
1 Year Limited Barjan Warranty