In the latest version of Logic you can control Apogee’s ONE, Duet, Quartet, Ensemble, and Symphony
I/O Inputs…. Choose between Mic, Line level, or Instrument.
turn phantom power on and off, engage the Hi pass filter or phase invert switch
And adjust the Apogee mic pre amp gain all right in Logic.
and with an iPad you can remotely control the mic pre amps of these Apogee devices.
You can be on the other side of the room tracking a vocal and control your Apogee mic pre amps, levels in Logic, and have full transport control all from your iPad
Now you can control everything all with in the Logic window or Logic remote on iPad and keep your session running smoothly.