Nov 14, 2015 #1 P pragash Advanced Member level 2 Joined Jul 4, 2005 Messages 512 Helped 64 Reputation 128 Reaction score 59 Trophy points 1,308 Location Oakland Activity points 4,940 we are trying to design a device similar to cellphone. what is the typical audio level (dB) i need to provide to the speaker for it have loud audio. as loud as iphone in loudspeaker mode.
we are trying to design a device similar to cellphone. what is the typical audio level (dB) i need to provide to the speaker for it have loud audio. as loud as iphone in loudspeaker mode.
Nov 14, 2015 #2 B BradtheRad Super Moderator Staff member Joined Apr 1, 2011 Messages 15,187 Helped 2,900 Reputation 5,812 Reaction score 2,982 Trophy points 1,393 Location Minneapolis, Minnesota, USA Activity points 113,781 60dB is typical conversation loudness. To drive a small loudspeaker, 1 V is an approximate voltage.