User manual
Page 40 User manual P1 Audio Processor
However the P1 has three very useful ways to manage the high input
dynamic range available;
It has a very high quality dynamically variable threshold
limiter to protect the soundcard against unexpectedly high
levels which would lead to digital clipping.
It has an additional 14dB of input headroom so that
unexpected high input levels do not level clip within the P1.
It has an extended input noise floor when the microphone
amplifier is operating at low gain (i.e. when the microphone is
delivering very high input levels and so its highest dynamic
range).
The same general principles apply to the balanced line and
unbalanced instrument inputs.