ROSESELSA QuietSea 2 features a high-performance dual-magnetic dual-cavity 10mm dynamic driver with multi-layered PEEK+carbon-copper vacuum-coated dome diaphragm. This setup delivers ultra-low distortion and true HiFi audio with excellent frequency extensions. Professional ORBITA acoustic architecture ensures superior driver efficiency, wide soundstage and charming vocals with rich tonality across genres. Ergonomic five-axis CNC machined aluminum alloy cavities with semi-transparent polycarbonate mid-cavity are developed from real-world 3D ear canal data provide all-day comfort. The package includes high-purity 5N OFC 4-braided modular cable with 3.5mm/4.4mm plugs and liquid silicone eartips.