Louder can be perceived as better, but is it? 

Two bowls of the same soup, and the one with a little more salt tastes fuller—not because the recipe changed, because our senses reward intensity. We reach for the louder bowl and sometimes call it better cooking.

Same thing at the listening chair, especially when we swap one component for another. Two DACs, two preamps, two amplifiers—they rarely put out exactly the same level. The one running a hair hotter arrives sounding more detailed, more open, more alive, and we hand it the trophy before the quieter one gets a word in. Our ears are not neutral judges. They favor the louder contender.

Matching levels is easier than it sounds. Put an SPL meter on the chair—there's a free app for your phone—play a steady tone or a familiar sustained passage, and trim the two until they read within a fraction of a decibel of each other. Then listen. Some of the "night and day" differences we swear by turn out to be volume, not design. What's left after that is the real part, and it's the part worth chasing.

When did the last comparison we loved actually start at matched levels?

Showrooms don't always make it easy. A new piece straight out of the box often sits a touch hotter than the one it's replacing, and that alone can tip how we hear it. Good to keep in mind the next time something sounds instantly better—a quick level check tells us how much of that was real.

Match the levels first.

Then listen for what actually changed.