MR3 vs MR4 Sound Sample ( MR3: Custom EQ / Both Treble 0 Bass +2dB )

This video sets MR3 on the app MR4 and Bass treble knob only I'm going to match the same volume and compare the volume It's a video that shows as an example. If you compare it to the basic state, on YouTube There are a lot, so you can refer to that.