Although it is a small quantity, we have produced three types of headphone cables, each 2.0m long.
If you feel that the regular 1.2m is too short, please try this.
3.5mm 3-pole to mini XLR 2.0m type (AKG, etc.)
hpcs_01_ub3x_200
hpcs_03_ub3x_200
4.4mm 5-pole - 2-pin (L/R) 2.0m type (SENNHEISER)