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TANCHJIM OLA II Coaxial Hybrid IEM (1DD+1BA) — frequency response Measured: Bright

This is the actual measured response of the TANCHJIM OLA II Coaxial Hybrid IEM (1DD+1BA) | DMT5 Dynamic + PURE-Hi BA, 8-Band PEQ DSP - OLA II 3.5mm MIC by Tanchjim (source: AutoEq · Filk). Compare it against the Harman target, listen to the tuning on test signals below, then check prices (from ₹5,700 at 1 store).

Signature: Bright Bass vs mids: -1.2 dB Treble vs mids: +5.5 dB Tuning vs Harman: 2.4 dB avg dev (close to target) Measured by: AutoEq · Filk On file since 2026-10-29

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.

CCA CSN - Blue / Without Mic Measured: Bright 91% similar
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