Audiophilepure

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“Lows – I thought the low end might lack somewhat given that this is an open earphone. I was wrong. Again textures and detail are front and centre is the name of the game. As mentioned above there was no discernable bleed into the midrange. The dynamic drivers push out a more than sufficient level of rich bass. Sub bass is there but not in large quantities and I don’t feel I am lacking anything for the type of music I would choose to listen to on these IEM’s.”

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“Obviously a big positive to IEMs with this sort of design is ergonomics and comfort. That is not to say all manufacturers get it right but TFZ seem to have ended up on the right side. This looks like a CIEM in my ear and don’t feel far off in terms of comfort either. BA based earphones also tend to be the better option if you desire isolation as they traditionally don’t need venting like dynamic drivers but the Series 1 will block out most ambient noise, no issue.”

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“Vocal presence is a bit darker sounding if not slightly recessed, particularly with lower register male vocals, though they do come to the fore a little bit more after copious amounts of burn in. Vocals, on the whole, are sibilant free with female vocals sounding smooth and clear in the upper registers.”