Cayin Fantasy YD01 IEM

The Cayin Fantasy YD01 IEM is a unique entry in the earphone space, thanks in large part to its dual-cavity design. The single 10.3-millimeter, beryllium-plated driver in each earbud provides enough loudness and power on its own—but because there are two separate cavity chambers in each enclosure (one front-facing, and the other rear-facing to even out the pressure), there’s a unique focus and richness to the sound. The chassis is built with high-polished 316L stainless steel for a gem-like aesthetic and solid durability, and each YD01 ships with a multi-core, hybrid OCC and SPC copper cable for excellent acoustic performance. Plus, the low 37-ohm impedance provides a solid amount of headroom for most applications—whether listening with a DAC or right from a phone or computer.