Comparisons

Sennheiser IE 500 Pro vs Sennheiser IE 400 Pro

The IE 400 Pro has more sub-bass quantity than the IE 500 Pro and it commands greater extension. The sub-bass reproduction on the IE 400 Pro provides a fuller rumble. The bass decay on the IE 500 Pro is quicker and it has the edge with extra agility. The bass texture on both is rendered smoothly. The mid-bass on the IE 400 Pro has slightly more quantity and the slam is expressed with more weight. There is a more punchy presentation on the IE 500 Pro. The IE 500 Pro has a higher level of definition. Each bass note on the IE 500 Pro is articulated with a tight and robust hit. The midrange on the IE 400 Pro has a leaner presentation and vocals are expressed with greater prominence. The IE 500 Pro is more full-bodied and there is a smoother expression. The lower midrange on the IE 500 Pro has slightly more body than the IE 400 Pro and male vocals are presented with more lushness. Emotions are conveyed more effectively on the IE 500 Pro. The upper midrange on the IE 400 Pro has additional forwardness and the extra emphasis gives a more upfront female vocals display. In the treble section, the IE 400 Pro has greater extension. The IE 500 Pro has more body. There is a smoother presentation on the IE 500 Pro which provides a fatigue-free listen. The amount of air rendered is slightly greater on the IE 400 Pro. The IE 400 Pro has more defined crisp. There is extra sparkle on the IE 400 Pro. Lastly for the soundstage, there is natural expansion on both. The IE 500 Pro has greater width magnitude while the depth on IE 400 Pro is less closed in.

Sennheiser IE 500 Pro vs Acoustune HS1551 CU

The IE 500 Pro has more sub-bass quantity than the HS1551 Cu and the extension on the IE 500 Pro is slightly greater. The sub-bass reproduction on the IE 500 Pro provides a more nimble presentation. The bass decay on the IE 500 Pro is quicker with agility. The bass texture is rendered smoothly on both. The mid-bass on the HS1551 Cu has more body and the slam is delivered with greater punch. Each bass note on the IE 500 Pro is articulated with a clinical hit. The midrange on the IE 500 Pro has a warmer and more laid-back presentation. The HS1551 CU has higher transparency level with greater forwardness. The lower midrange on the IE 500 Pro has slightly more body than the HS1551 CU and male vocals are presented in a lusher manner. The upper midrange on the HS1551 CU has greater emphasis and female vocals are expressed in a livelier manner. The HS1551 CU exhibits a more energetic midrange. Next, for the treble section, the HS1551 CU has the edge with greater extension and the articulation is more precise. The crisp on the H1551 CU has slightly better definition. There is a greater amount of air rendered on the HS1551 CU. The HS1551 CU has a touch more sparkle. Lastly, there is a natural expansion on both and the IE 500 Pro has greater width magnitude. The depth on the HS1551 CU is less closed in.

Page 5: Conclusion