Impedance: 32Ω Frequency range: 20-20000Hz Cable: 4 core black Silver Plated Copper (SPC) Driver diameter: 14.8mm Plug: 2.5mm Gold-plated Balanced Onyx is a PK-shelled earbuds made by Just on Earbuds, a startup company in the Philippines. The name was derived from the mineral "Onyx" which...