The Astatic AST878DM is a high quality amplified ceramic desk mic with a tough housing for industrial and commercial use. It includes standard push-to-talk and lock-to-talk buttons (A lock-to-talk button will lock the transmit on until pressed again). This CB microphone requires a 9 volt battery for operation (not included).
This CB microphone has a standard 4 pin plug and a ceramic cartridge. It is compatible with any CB radio wired for a standard 4 pin plug, including the Galaxy DX2547 Base CB Radio.
Astatic AST878DM Features
- Requires 9V battery (not included)
- Wired 4 pin Cobra/Uniden
- PTT and Lock buttons
- Volume adjustment
- Rugged resin housing
- Omni directional
- 2' coiled cable and 6 conductor w/shield
- Output -44dB at 1 kHz
- Impedance 5000 Ohms max
- Recommended load of 100 ohms and up.