Connecting wires are the most easily overlooked by enthusiasts, but it has been proven that their impact on sound quality cannot be ignored, and their frequency and shielding characteristics must be better.

To be frank, apart from the static intermodulation distortion, which can be compared to crystal machines, the technical specifications of bile machines are not as good as crystal machines. In fact, the survival and development of bile machines are not only due to their technical specifications, but if we want to pay attention to technical specifications, bile machines have long been out of market. In fact, electroacoustic technology is still very imperfect, and existing technical indicators can only explain the problem from one aspect, but cannot fundamentally reflect the problem. For example, existing amplifier specifications are measured assuming a pure resistive (linear) load, while the actual load is a complex resistive (nonlinear) load. For example, the measurement of a speaker is conducted at a distance of 1M and a power of 1W, and the actual listening cannot be done under 1M/1W conditions. Therefore, such measurement indicators can only be used as a reference and cannot be used as a standard for selecting amplifiers. It can be said that a product with good technical indicators may have a poor listening experience, while a product with good listening experience may only have mediocre technical indicators (of course not very poor). A mass-produced electronic product must have a corresponding production standard (technical documents, production process documents, and inspection documents) to ensure its uniformity and consistency. This is common in some more formal product production, but these standards are only used to guide production and ensure the consistency and uniformity of product quality, without any other significance, The production standards of a company are only useful for the specific products of the company, and are useless for other companies. They also have no significance for the artistic quality of the products and the sound quality of the sound. To be precise, there are no measurable standards for art. In reality, the higher the grade of audio products, the less stringent the production standards.