How many speakers while on speakerphone call

[abhimanyu_amish]

How many speakers are active while you are on speakerphone call? Can you activate more than one for a louder experience?

[OPC]

This is the first phone after old Nokias in 90's that I hear ringing in my messanger bag while on a busy street,??

[abhimanyu_amish]

duy.h.vu

Both speaker on both native and third party phone app. Outdoor mode doesn't work for phone cal, only music but it's plenty loud with both speaker for phone call.

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Thanks duy.
How is microphone quality?
Does the other side complain when on earpiece or loudspeaker?