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Compare measured curves.

One tuning loads on top; pick the opponent with the search bar; the overlay and the shared-signal A/B live below once both are in.

Wearing your own earphones or headphones? Pick them here and the player pre-corrects for their sound, so the demo plays the target tuning itself - not both mixed together.

Measured: V-shaped

【KZ ZST】1BA+1DD HiFi in Ear Monitors Headphones Wired Gaming Earbuds IEM Earphones - Black / With mic

Signature: V-shaped Bass vs mids: +9.7 dB Treble vs mids: +10.1 dB Measured by: AutoEq · Rtings

Measured: V-shaped

NF ACOUS - NM20 - Blue

Signature: V-shaped Bass vs mids: +8.7 dB Treble vs mids: +10.6 dB Measured by: AutoEq · Hi End Portable

The comparison

All curves aligned at their 200 Hz–1 kHz mean, so rig level offsets never skew the overlay. Numbers on the axis are dB relative to each curve's own midrange.

+20+100-10-2020501002005001k2k5k10k20k12
  • 1. 【KZ ZST】1BA+1DD HiFi in Ear Monitors Headphones Wired Gaming Earbuds IEM Earphones - Black / With mic (V-shaped, measured by AutoEq · Rtings) graphproduct
  • 2. NF ACOUS - NM20 - Blue (V-shaped, measured by AutoEq · Hi End Portable) graphproduct

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Hear them side by side

Wearing your own earphones or headphones? Pick them here and the player pre-corrects for their sound, so the demo plays the target tuning itself - not both mixed together.

Same signal through both tunings at once - slide to blend. Start on pink noise for the clearest read.

The overlay is the fact; your ears are the verdict. Open either product page for current prices: 【KZ ZST】1BA+1DD HiFi in...NF ACOUS - NM20 - Blue