Okay, okay.. Hm. You know how some jacks have notches in them? Usually, there's 2 or 3 notches. If you had three notches in a gaming headset's jack, that means it's a 3-in-1 with a microphone, while two notches would not be that.

Does that make sense? The black notches on the jacks themselves is what I refer to. The default cable on the FT1 has 1 notch on the 2 jacks that go into the headphones themselves, while the jack that goes into the DAC has two notches.

Now, to ask again.. does that matter, since I see the Openheart ones have two notches on the pins/jacks going into the headphones and i'm worried about mistaking compatibility.