| SIVGA SV023 premium open back over ear high fidelity dynamic wooden headphones Beryllium plated LCP composite 50mm driver delivers excellent sonic dynamics Hand crafted genuine walnut wood housing provides an exquisite luxury surface High impedance 300 ohm engineering performs perfectly with premium amplifiers Extended frequency response range covers twenty hertz to forty kilohertz detail | Detachable two meter premium 6N OCC high purity copper audio connection cable Terminated with a 4.4mm balanced plug for optimized low noise amplification Ergonomically balanced headband distribution prevents hot spot scalp pressure Special shaped contoured earcups maximize acoustic seal and long session comfort Lightweight 318 gram architectural frame design reduces listening fatigue |