How to look at the parameters of amplifiers and speakers

So how to match it? Are there any project indicators of equipment that need special attention? It is generally said that each piece of equipment is rarely truly neutral, and most of them are branded with their own personality due to the inheritance of national culture and the designer's personal aesthetic orientation. Some are masculine and some are straightforward. , Some are feminine, some are sweet. If similar styles of equipment are matched together, there is a high probability that there will be a superposition of personalities, which will lead to the replayed sound being too personalized, which will make the sound farther away from neutral, only limited to Suitable for playing certain types of music. I believe this is a period when most players are reluctant to appear, unless you just like the voice of that personality.