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 to a 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

Power Supply: unnecessary due to dynamic microphone

Operating Temperature: -25℃ to 65℃

Length of Handle:16CM

Length of Spiral cable: 112CM when retracted, 4M when fully stretched

Handle Material: Aluminium alloy

Frequency 100-12500Hz

Sensitivity -80 dB / + 3dB

Resistance: 600 OHM

Dimensions: