FIIO FX15 Hybrid 6-driver In-ear Monitors.

[Sonion Electrostatic Tweeter + Knowles Mid and Treble BA + 10mm DLC Dynamic Driver] The EST driver reproduces ultra-high frequencies above 15kHz. The proven Knowles BA driver is full of nuance. The 10mm dynamic driver is rigid yet flexible, giving your music soul. [Electrostatic On/Off Switch] Added a switch that specifically toggles the electrostatic driver on/off, allowing the listener to instantly A/B between having the driver and not having it. [Industry Leader HeyGears, Custom 3D Printed Shell] FiiO collaborated with HeyGears to create a shell that combines superior comfort and durability, and the outer shell is made using advanced DLP-3D printing methods with a printing accuracy of up to 0.0375mm. [S.Turbo Acoustic Design] The FX15 triYRBY IEM features a patented S.Turbo Acoustic Design designed to maximize bass performance. At the heart of the S.Turbo design is an extended low-frequency sound tube that effectively filters out the high frequencies produced by the dynamic driver. 224-wire, 8-strand cable included: The FX15 features a total of 224 high-purity silver cables, split into 8 strands of 28 wires each. Each wire is independently insulated, and the cable features Litz braiding.