FiiO LC-RC MMCX earphone cable in high-purity Furukawa monocrystalline copper. Four Litz strands, 480 wires in all, with 20 silver-plated monocrystalline copper wires at the core of each main strand. Coaxial braid, 22 AWG, 120 cm. Interchangeable 3.5 and 4.4 mm plugs.
FiiO LC-RE Pro MMCX earphone cable: a braid of Furukawa monocrystalline copper, gold-plated copper and pure silver. Eight strands, 360 Litz wires. Expanded stainless-steel MMCX connectors, interchangeable 3.5 and 4.4 mm plugs and a USB-C digital plug.