| SIVGA SV021 Pro V2 closed back over ear high fidelity headphones in brown Advanced 50mm dynamic driver features a five layer composite aluminum diaphragm Ultra fine black copper aluminum alloy voice coil increases driving efficiency Precision machined adjustable ergonomic headband frame balances clamping pressure High purity oxygen free copper detachable cable lowers signal resistance loss | Delivers deep impactful bass response with smooth vocals and detailed treble Efficient forty five ohm impedance runs easily from mobile devices and players Lightweight two hundred eighty nine gram chassis layout ensures long term wear Full twenty hertz to twenty kilohertz frequency response tracks audio nuances Universal 3.5mm single ended connection terminal plug fits most media sources |