The major materials of Aurum Sylvia GDB Ground Boxes are silver plated copper wires, tungsten grains, tourmaline, and Aurum Foil shreds.
*3 kg Sylvia GDB: Brighter sound, yet rich in bass as well. Distinctly enlarged 3D sound stage, especially in width;
*5 kg Sylvia GDB: Comparatively more transparent, great enhancement in tonal balance, significant bass improvement. Fantastic musical dynamic, further enlarged 3D sound stage.
*Grounding cable used in product testing (產品測試地線): Aurum Celestial Cantus GDC
Note: 1. Plugs are changeable upon request 2. Aurum Technologies Ground Boxes are all handmade, which requires certain period of time for production. If it happens to be out of stock, it will usually take up to 2 weeks for production. 3. Custom orders are welcome, please contact us for details.