NOTES: Price = 1 pair (2 pieces)
Introduction:
1. High-end products, unique design, no matter the rationality of product structure, stability is the first of its kind;
2. In the sound processing of the product, the designer uses pure imported graphite as the anode, high-emission performance thorium tungsten wire as the cathode, and five 9-grade gold as the grid. The ultra-high voltage withdrawing method allows Although the sound is quiet, tactful, smart, and has a sense of bursting.