Fosi Audio i5 Open-Back Planar Magnetic Headphones — frequency response Measured: Balanced
This is the actual measured response of the Fosi Audio i5 Open-Back Planar Magnetic Headphones by fosi (source: AutoEq · Super Review). Compare it against the Harman target, listen to the tuning on test signals below, then check prices (from ₹52,310 at 3 stores).
Signature: Balanced
Bass vs mids: -3.3 dB
Treble vs mids: +2.5 dB
Tuning vs Harman: 2.4 dB avg dev (close to target)
Measured by: AutoEq · Super Review
On file since 2026-09-11
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.