The KZ PRX pairs a 13.2mm fourth-generation planar driver and 14 N52 magnets with a semi-open IEM design and reportedly low sensitivity (~94 dB / 15 Ω). Verdict: detailed, planar-style bass and wider soundstage are clear strengths, but the PRX is power-hungry and ships with a basic, short cable — excellent for listeners with a portable amp/DAC, less so for phone-only use.
For audiophiles willing to use a portable amp/DAC who want planar-like low-end detail; avoid if you need phone-only high volume or strong passive isolation.
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