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Headphone Zone X FiiO - JD1 (Unboxed) - 3.5mm — frequency response Measured: V-shaped

This is the actual measured response of the Headphone Zone X FiiO - JD1 (Unboxed) - 3.5mm by FiiO (source: AutoEq · Jaytiss). Compare it against the Harman target, listen to the tuning on test signals below, then check prices (from ₹1,199 at 1 store).

Signature: V-shaped Bass vs mids: +10.5 dB Treble vs mids: +8.8 dB Tuning vs Harman: 2.2 dB avg dev (close to target) Measured by: AutoEq · Jaytiss 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.

CCA - CXS Wired IEM (Demo Unit) Measured: V-shaped 91% similar
CCA - CXS Wired IEM Measured: V-shaped 91% similar
KZ EDX Ultra - With MIC Measured: V-shaped 91% similar
KZ EDX ultra - without mic / 3.5 MM Measured: V-shaped 91% similar