The scale that lies between the two meters indicates digital level in dBFS (decibel full-scale). Remember that the analog (dBu) and digital (dBFS) scales are quite different. 0 dBFS (or “fullscale digital”) is a hard digital ceiling above which no signal can go, whereas, 0 dBu is a reference point on the analog scale above …
dBu vs. dBFS 더보기