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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.

Your earphones / headphones

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: Bright

CCA - CST Wired IEM - Gold

Signature: Bright Bass vs mids: +1.3 dB Treble vs mids: +10.2 dB Measured by: AutoEq · crinacle

Signal

Measured: V-shaped

Sony INZONE E9 IER-G900 Gaming IEM - White

Signature: V-shaped Bass vs mids: +4.6 dB Treble vs mids: +8.6 dB Measured by: AutoEq · Rtings

Signal

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.

1. CCA - CST Wired IEM - Gold (Bright, measured by AutoEq · crinacle) graph product
2. Sony INZONE E9 IER-G900 Gaming IEM - White (V-shaped, measured by AutoEq · Rtings) graph product

Hear them side by side

Signal A B

Hear A Hear B

Your earphones / headphones

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: CCA - CST Wired IEM - Gold Sony INZONE E9 IER-G900...