This morning I decided to test my EDM LCD, and compare it directly to the same situation if it was not through the EDM. The sound source was a mp4 on my iPhone. The Fm receiver was my old mp3player which has a sub-par fm reciver built in. I used the line in port on my computer and recorded that with audacity, and exported that as a 256k mp3
Here is the test mp3 file:
iphone mp4> edm lcd> mp3player (with fm tuner)> line in port on pc> audacity> exported mp3
Here is the same situation skipping the edm lcd:iphone mp4> line in port on pc> audacity> exported mp3
As you can tell my line in port, (or my iPhone) is not perfect and belive some of the static in the first test was simply from other components.
The two files sound almost the same to me, but Im no sound expert.
As far as the EDM lcd goes im extremly satisfied.
Click on the image to see it full size.
Note: I did not use the setup with everything so close together, I had the iphone 8 feet away from the edm during the test, and also the other mp3 player was about 60 feet away from the edm during the test.