The AM05 has a fair amount of sub-bass quantity with good extension. The sub-bass reproduction takes on an agile approach and there is a nice rumble. The bass decay is quick and there is a swift display. The bass texture is rendered smoothly. The mid-bass has moderate body and the slam is delivered in a punchy manner with a lighter feeling. Each bass note is articulated with a controlled hit. There is a tight bass performance.
The midrange is expressed musically and transparency level is good. Vocals are upfront which results in an intimate presentation. It takes on a clean and present expression. The lower midrange has moderate body with no signs of hollow feeling and male vocals are expressed well with emotions. The upper midrange has greater emphasis and the forwardness contributes to a lively female vocals performance. The AM05 has a vivid and engaging midrange.
The treble has good extension and there is moderate body. The expression has no sibilance and harshness which guarantees a smooth listen. The amount of air rendered is good. The crisp has moderate definition and there is some sparkle to inject energy at the top end. There is a detailed and articulate expression.
The expansion is natural with excellent width magnitude. The depth rendered is effective and it is not closed in. There is an enveloping feeling.