GM-07 4-PIN Dynamic Bus Microphone
The GM-07 microphone is a 4-PIN metal-housing mcorphone which is designed to be connected to a BOSCH coach audio system. The microphone comes with a retractable spiral cable that provides the tour guide with a sufficient range of movement on the coach. The mounting accessories ensure that the microphone can be securely fastened in the cockpit.
Specifications
Connector Type & Definitions:>Power Supply: unnecessary due to dynamic microphone
>Operating Temperature: -25℃ to 65℃
>Length of Handle:16CM
>Length of Spiral cable: 135CM when retracted, 7 meters when fully stretched
>Frequency 90-13000Hz
>Sensitivity -71 dB / + 3dB
>Resistance: 700 OHM