iBasso IT04 4 Driver Hybrid In Ear Monitor Three Balanced armature drivers + One dynamic driver Ergonomically designed for a comfortable contoured fit Inherited and improved from the IT03 for a comfortable contoured fit housing design, with a carbon fibre plate, glossy smooth finish that is the same standard as a custom IEM, the IT04 presents both a unique look and long-term comfort. Patented root tube internal design iBasso's Root Tube internal design gives a platform to bring about the full potential of the three Knowles BA's, along with their own unique Dynamic Driver. Three Knowles Balanced armatures Three Knowles Balanced armatures work to perfection with iBasso's precisely calculated crossover circuit. Dynamic Driver with very high magnetic flux and a graphene diaphragm An in-house developed dynamic driver that utilises a magnetic flux approaching 1 Tesla with a 10mm graphene diaphragm. All of this creates an excellent dynamic driver to ensure great results for the IT04 MMXC Detachable Cable (CB12s) A hand-braided mono crystal silver and silver-plated mono crystal copper 8-wire balanced cable with a 2.5mm TRRS gold plated plug. The 2.5 TRRS to 3.5TRS cable adapter that allows the IT04 to work as a single-ended IEM, is also included.