4. What is the configuration of the headphone cable?

Standard with the FT3 is a 3m, 23AWG diameter cable consisting of high-purity Furukawa monocrystalline copper wire.

Meanwhile, to ensure compatibility, the cable features swappable plugs of the following 4 kinds: 3.5mm/4.4mm swappable plugs, 3.5mm to 6.35mm adapter, and 4.4mm to XLR-4 balanced adapter.