The Rai Penta has moderate sub-bass quantity with good extension. The sub-bass reproduction is able to provide a natural rumble. The bass decay has effective speed and there is sufficient agility. The bass texture on the Rai Penta is rendered in a very smooth manner. The mid-bass has good quantity and the slam is presented with weight without being too overpowering. Each bass note is articulated well with body and impact. There is a controlled presentation.
The midrange is expressed well in a lush and smooth manner. Vocals are belted out in an effortless manner. The lower midrange has good quantity and male vocals are expressed well with body but there is reduced presence. Emotions are conveyed effectively. The upper midrange has a slight boost and the forwardness results in an intimate female vocals expression. The Rai Penta is able to deliver a sweet and smooth vocals performance.
The treble has a nice amount of body and it is extended well. The Rai Penta displays no sibilance and harshness. The amount of air rendered is modest. Treble articulation is precise and there is a smooth presentation. It commands an apt level of details retrieval with a fatigue-free approach. The crisp has good definition and the sparkle quantity is fair. The treble presentation showcases finesse and balance which results in a controlled and soothing listen.
The Rai Penta has a natural soundstage expansion and there is a realistic feel. There is good width magnitude and the depth renders an effective level. There is a more intimate feeling.