Learn
How the gear works, in plain language.
You already own a DAC. Here is what a better one actually changes, when it matters, and why the headphone and the amplifier come first.
Impedance and sensitivity tell you whether a headphone needs an amplifier, and for most of the headphones on this site the answer is no: here is how to read the two numbers, and which ones actually...
Cables fix real problems: length, weight, microphonics, a plug that fits. They do not change how a headphone sounds, and here is where cable choice does matter.
Two kinds of writing here
Learn explains how the gear works. The buying guides say what to buy, and name what is wrong with each pick. If you would rather settle it with your own ears, the listening room at 215 East Lewis Street in Livingston is free and by appointment.