NICEHCK - F1 Pro IEM - 4.4mm — frequency response Measured: V-shaped
This is the actual measured response of the NICEHCK - F1 Pro IEM - 4.4mm by NiceHCK (source: AutoEq · Hi End Portable). Compare it against the Harman target, listen to the tuning on test signals below, then check prices.
Signature: V-shaped
Bass vs mids: +7.7 dB
Treble vs mids: +6.3 dB
Tuning vs Harman: 1.6 dB avg dev (close to target)
Measured by: AutoEq · Hi End Portable
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.