Here's an example of what I mean. IER-Z1R has leading bass edges that feel "harder" than FW's (and most other IEMs). I found this to contribute to a sense of "slam". I think FW lacked this. I think the bass speed on FW was fine.By ill defined mid bass transients are you referring to the DDs sounding bloated boomy or too slow on fast bass lines? Because this for me was exactly what FW didn’t do considering how mid bassy it is. In terms of keeping that much mid bass tight with excellent dynamics from a DD bass low end I haven’t quite heard anything like it. Funnily enough I loved the bass for EDM as it handled the fastest bass lines I could throw at it with ease.
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