The IE 500 Pro has good sub-bass quantity and it is extended well. The sub-bass reproduction provides a nice weighted rumble that contributes to the overall impact. The bass decay is quick and the agility creates an engaging listen. The bass texture is rendered well. The mid-bass has fair body and the slam is presented with intent. Each bass note is articulated with fullness and there is a robust hit.
The midrange is presented in a buttery smooth manner. Vocals have good body and there is a soothing midrange expression. The lower midrange has good quantity and male vocals are expressed with lushness. The upper midrange has reduced emphasis and there is a more laid-back female vocals display. There is a relaxing midrange.
The treble has good extension with no sibilance and harshness. There is good body and the presentation is controlled. The crisp has moderate definition and there is some sparkle. There is an effective amount of air rendered. The treble expression is smooth which results in a fatigue-free listen.
The IE 500 Pro has a natural expansion for its soundstage. The width has great magnitude. The depth has an effective amount of space rendered. There is fullness which provides an enveloping feeling.