This headphone can make music dynamic with sense of depth. The driver housing is made of aviation aluminum alloy. The periphery of the diaphragm is LCP (Liquid Crystal Polyme) Composite film, and the central part of diaphragm is plated with Beryllium. The magnet is high-performance NdFeb material. The bass for SV023 is well controlled with enough quantity. The middle frequency is mild with warm vocal. Treble is natural and exquisite. Wide soundstage with good separation for instruments. The leather band is made of high-end goat skin, which is soft and comfortable. The headband is made of stretchable stainless steel, which ensures suitable clamping force with no pressure and wears lightly. The bracket is made by CNC process with aviation aluminum alloy, which is with strong metal finish and durability. The headphone housing is made of selected high-quality walnut wood. It is precisely carved by CNC and then made by traditional processes such as grinding, polishing, painting, natural air drying and so on. The surface of the wood housing is exquisite and smooth with high quality feel. There is a CNC processed metal aluminum ring and gunmetal color stainless steel mesh in the middle of the housing, which matches with the wood housing very well to increase the sense of layering. The earpads are made of high protein material and memory form. The material touching the face is skin friendly velvet. All the materials make the earpads soft and comfortable to wear. The special-shaped earpads designed according to the head shape have good sealing performance to avoid sound leakage. The side of the earpad is perforated with air holes, which can effectively adjust the sound quality and ensure good breathability. It is suitable for long time wearing.