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EarAcoustic Audio SPA-Hi End Series 11.4mm Dynamic Driver IEMs — frequency response Measured: V-shaped

This is the actual measured response of the EarAcoustic Audio SPA-Hi End Series 11.4mm Dynamic Driver IEMs by tfz (source: AutoEq · Fahryst). Compare it against the Harman target, listen to the tuning on test signals below, then check prices (from ₹14,288 at 1 store).

Signature: V-shaped Bass vs mids: +8.2 dB Treble vs mids: +8.6 dB Tuning vs Harman: 1.4 dB avg dev (close to target) Measured by: AutoEq · Fahryst On file since 2026-09-10

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, two ways: hear it without this tuning, then with it -

Sounds like

Curve-shape similarity from the same measurements - open any two in the compare tool to overlay and hear them side by side.

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