Affordable and crafted with high-end precision, the FD11 draws inspiration from the elegant conch shell. Constructed from die-cast zinc alloy, it boasts a unique flowing design, meticulously polished and electroplated for a premium finish and distinctive feel in its category. Compared to the FD1, the FD11 is a complete transformation. Crafted from top-tier materials and techniques, it's not only stronger and more durable but also built to withstand daily use. Its die-cast shape, with a subtly uneven internal surface, dramatically reduces sound wave convergence and minimizes standing wave generation, delivering a purer sound. The FD11 exemplifies the fusion of exquisite aesthetics with precise HiFi engineering. Features: 10mm carbon-based diaphragm Liquid die-cast zinc alloy construction Asymmetrical internal and external magnetic circuits Dual-cavity dynamic driver C-shaped acoustic flute Fine-tuned frequency response Certified high-res audio 0.78mm 2-pin detachable cable Triangular ergonomic design Specifications: Dynamic Driver: 10mm PU+carbon-based diaphragm Frequency Response: 20~40kHz Sensitivity: 111dB/mW (@1kHz) Impedance: 24Ω (@1kHz) Plug: 3.5mm single-ended jack Includes: FD11, 3.5mm to 0.78mm 2-pin 1.2m headphone cable, Ear tips (3 pairs), User Manual Single Unit Weight: 10g (Single unit, excl. the cable)