High-end audio is equipped with high-end audio cable, mid-range audio is equipped with mid-range audio cable, and low-end audio is equipped with low-end audio cable. This is the most reasonable investment principle to ensure the best performance of audio. Someone bought a high-end audio, but chose a low-end audio cable to save money. This is no different from driving a Mercedes-Benz to a gas station and adding the cheapest 90# gasoline. On the surface, it saves money, but the actual effect is not good. The best performance of the car.
Usually in the high-end audio configuration, the investment ratio of the audio line is 15%~30%. Even for ordinary audio, you cannot use a too low-grade AV cable, because this will not only attenuate the signal, but the transmitted signal is susceptible to external electromagnetic interference, which will eventually cause sound distortion.