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Recording from a microphone and/or instrument
This setup illustrates the most typical configuration for using a recording app. Here, you might
record guitar through Input 1 and vocals through Input 2 into your preferred app, while monitoring
the playback – anything you’ve already recorded - via headphones or loudspeakers.
The rear panel has inputs for three types of source: microphones, line level sources (i.e., other audio
equipment) or instruments. Mics connect via 3-pin XLR plugs as described above, while line level
sources and instruments use a ¼” (6.35 mm) jack plug. The iTrack Dock has two channels so, for
example, you can record from a microphone and instrument simultaneously, with the two sources
going to separate tracks in the recording app. If you are connecting a musical instrument (a guitar
in the example), use the INSTRUMENT input via an ordinary 2-pole guitar jack. The LINE input is
suitable for connecting a source such as the balanced output of an external audio mixer via a 3-pole
(TRS) jack.
Input Selection
Selection of input source between Mic, Line and Instrument (Ch. 1) and Mic and Line (Ch.2) is
accomplished automatically on the iTrack Dock – there are no extra switches. The LINE and
INSTRUMENT jack sockets on the rear panel have switch contacts that detect the presence of a plug,
and route the input connectors accordingly.
Thus, a simple “hierarchy” of input selection applies:
• On Channel 1, the LINE input has priority over the MIC input, and the INSTRUMENT input has
priority over both of them.
• On Channel 2, the LINE input has priority over the MIC input.
What this means in practice is that if you want to record from a microphone connected to one of the
MIC inputs, you must make sure that nothing is plugged in to the corresponding Line input (either
channel) or the INSTRUMENT socket (Channel 1 only).
Similarly, if you want to record from a line level source connected to the LINE input of Channel 1, you
must make sure that nothing is plugged in to the INSTRUMENT input. (This obviously doesn’t apply
to Channel 2, which has no INSTRUMENT input.)
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