Sennheiser IE40 Pro vs TFZ Queen
The IE40 Pro has less sub-bass quantity than the Queen but it has greater extension. The sub-bass reproduction on the IE40 Pro is more agile and it is presented in an incisive manner. The bass texture is rendered with additional smoothness on the Queen. The bass decay is quicker on the IE40 Pro. There is more punch from the IE40 Pro. The mid-bass on the Queen has extra body and the slam presents a weighted feeling. The midrange on the IE40 Pro has a higher transparency level and it boasts greater definition with a leaner presentation. The lower mids on the Queen has greater amount of body and it is able to express male vocals in a thicker manner. The upper mids on the Queen is more forward which benefits the intimacy of female vocals. Next, for the treble section, the IE40 Pro has greater extension with a livelier presentation. There is an airier feeling on the IE40 Pro. The IE40 Pro is able to demonstrate extra sparkle and boasts well-defined crisp. Treble presentation on the Queen is slightly smoother. Lastly, for the soundstage, the IE40 Pro has greater width magnitude while the depth on the Queen is more closed in. Positioning of vocals and instruments has better accuracy on the IE40 Pro.
Sennheiser IE40 Pro vs iBasso IT01
The IE40 Pro has less sub-bass quantity than the IT01 and the IE40 Pro commands greater extension. The sub-bass reproduction on the IT01 is fuller. The IE40 Pro is more punchy. The mid-bass on the IT01 has slightly more quantity and the slam is expressed with a more weighted feeling than the IE40 Pro. Bass decay on the IE40 Pro is quicker with more agility. Bass texture on the IT01 is smoother. Each bass note on the IE40 Pro is articulated with a clinical hit. The midrange of the IE40 Pro has higher transparency level than the IT01 and vocals are not as present. The lower mids on the IT01 has more quantity than the IE40 Pro with male vocals being expressed with additional presence. The upper mids on the IT01 is boosted and the forwardness creates a more intimate female vocals performance. For the treble, the IE40 Pro has slightly greater extension. There is better crisp on the IE40 Pro with the sparkle being more apparent. The treble presentation on the IT01 is smoother . The amount of air rendered on the IE40 Pro is greater. Lastly, for the soundstage, there is a natural expansion for both while the width on the IE40 Pro has greater magnitude. The IT01 has a more closed in depth.