Description: 20ohms Impedance. It's designed to be easily driven by portable devices. HD resolution with ultra-large sound field, large dynamic transients, high-frequency with a touch of elegance, warm medium-frequency and clean low-frequency with good elasticity. Suitable for wide-range of music genre, the TFZ Tequila is particularly at home with current pop musics with vocal, electronics sound and synthesizers. Full-metal Aluminium CNC machining shell with different types of color selections.