Just replace the pads with the brainwavz round velour pads. You will be amazed by the sound quality improvement. The bass gets richer with better extension, the soundstage widens, and the treble becomes totally neutral. Many people are using these pads and we all have the same experience.

https://www.amazon.com/BRAINWAVZ-Round-Velour-Memory-Earpads/dp/B07238XHCX