General headphone technology
- What does the Hi–Res Audio logo mean?
- What does "impedance" mean?
- What is the difference between open and closed headphones?
- What does the "frequency response" of a set of headphones tell you?
- What does the "total harmonic distortion" mean?
- What does the term "Power handling capacity" mean?
- What is meant by the "nominal sound pressure level"?
- What is meant by diffuse-field equalisation and free-field equalisation?