Audio played in connect meeting room on macOS High Sierra from earpiece attached to 3.5 mm jack is not heard through earpiece

Issue Description: Audio played in connect meeting room on macOS High Sierra from earpiece attached to 3.5 mm jack is not heard through earpiece.
But, from same device the audio from video player is can be heard.

Background: You encounter a scenario where Raspberry Microphone connected to the MACBook pro (macOS High Sierra) and attached earpiece to 3.5 mm jack on Raspberry Microphone. Like:

Solution:

1. We found that from Apple menu > System Preferences> Click Sound, then click Output was set as Raspberry (Type – USB):
   
2. Downloaded the Firmware update if there is any on vendors website.
3. Set output as Headphones (Type – Headphone Port):