Unknown. Help us by suggesting a value. (Olympus PEN E-PL5)
Unknown. Help us by suggesting a value. (Olympus PEN E-PL7 + Olympus M.Zuiko 14-42mm F3.5-5.6 II R)
More microphones result in better sound quality and enable the device to filter out background noise.
Number of microphones: is this important to you?