It has been a long time since I listened to either of these IEMs, but if I remember correctly, the A15 Pro has a stronger bass response than the Falcon C, while the Falcon C has a much more pronounced upper midrange and treble.
It has been a long time since I listened to either of these IEMs, but if I remember correctly, the A15 Pro has a stronger bass response than the Falcon C, while the Falcon C has a much more pronounced upper midrange and treble.