Unique Pixel Monster Design Theme. NF Audio has designed the latest NA3 Essentials on a unique Pixel Monster theme. The pair has got a pixelated monster design on the face covers of the ear shells. According to the brand, Pixel Monster represents the infinite possibilities of the spiritual world where music is the basic element of building the world. Premium Performance With Dual-Cavity Dynamic Driver. NA3 Essentials come equipped with a specially optimized dual-cavity ESC dynamic driver per side. It uses a high-quality 5u polymer composite diaphragm that produces a warm and smooth sound presentation. The output has a wide frequency response range, it delivers an immersive 3D soundstage with crisp clarity and resolution. Exquisite Looks With Robust Polycarbonate Shells. NF Audio has designed the ear shells for NA3 Essentials using high-strength polycarbonate material. The shells are lightweight, skin-friendly, and have a comfortable ergonomic shape matching with the Cymbal Conchae. The pair provides an extremely comfortable listening experience for the users with good isolation. High-Quality Sound With High-Quality Cable. NF Audio NA3 Essentials comes packed with a 5N oxygen-free copper silver-plated cable that has lower internal resistance and no microphonic issues. The cable enables the pair to perform to the best of its abilities and deliver high-quality sound. Premium Packaging With Multiple Set Of Ear Tips. NF Audio is known for its exquisite packaging design. The latest NA3 Essentials gets beautiful packaging with a gramophone record design on the front. Earphone Specification : Model : NA3 Dimensions : 135*135*43mm Net wt : 150g Driver :Double Cavity Dynamic Driver Cable : 0.78mm 2pin 5N Silver - coated OFC Frequeney response range : 10-40KHz Connector : 3.5mm Maximum SPL : 125dB Sensitivity : 105dB / mW Impedance : 32 Sound insulation : 25dB Distortion : lt;1%