Adjusting input levels, and volume is easy breezy thanks to fine-tuned DAW and plug-in controls. Its headphone amp being poorly suited to low-resistance earphones, returning anomalies in frequency response, THD, IMD, and stereo crosstalk. Most of the anomalies smooth out by the time portable or monitoring headphones are plugged in. And, iD4 spits perfectly matched volume into both channels at all volume levels, not to mention trace amounts of background noise. I’ve yet to go deep into its microphone amps, but after digitising test signals from Mojo, I am relatively convinced of its recording fidelity - considering its price, and ostensible market. Stereo crosstalk numbers aside, that is.
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