GM-04B 4-PIN BOSCH Dynamic Coach Tour Guide Microphone
The GM-04B microphone is an economic-line version of GM-01, which is designed to be connected for BOSCH coach audio system. Made of aluminium alloy, the microphone is light in weight and 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
Pin Definitions:Power Supply: unnecessary due to dynamic microphone
Operating Temperature: -25℃ to 65℃
Total Length: 141mm
Length of Spiral cable: 112CM when retracted, 4M when fully stretched
Handle Material: Aluminium alloy
Frequency:50-10000Hz
Sensitivity :-52.5 dB±1.5dB
Impedance: 600 OHM ±30%
Total Length: 141mm
Connector: DIN 4-PIN Male
Cable detachable
Dimensions: