The Oxygen has good sub-bass quantity and it is able to provide a nice rumble. The sub-bass reproduction boasts great extension. The bass decay is rather quick and there is definition to each bass note. The bass texture is rendered with smoothness. The mid-bass has fair quantity and the slam is delivered in a tight and punchy manner. There is a natural and clear bass performance which provides nice impact without being too aggressive.
The midrange is imbued with a tinge of warmth and there is moderate transparency level. There is a good amount of body and the vocals reproduction is natural. The lower midrange has good quantity and male vocals are expressed with lushness. There is nice presence. The upper midrange has an apt forwardness and female vocals are presented in an emotional yet controlled manner. The midrange creates a soothing vocals listen with richness.
The treble has good extension with precise articulation. There is a nice amount of air rendered. The treble presentation is natural and there is a fair amount of treble body. There is moderate sparkle to inject excitement. There is finesse shown as the treble is kept under tight control. With no sibilance and harshness, there is a detailed and smooth treble display.
The Oxygen has a natural expansion for its soundstage with great width magnitude. The depth offered prevents the overall presentation from being too closed in. There is an open feeling without any congestion. Positioning of vocals and instruments is accurate.