Pro4S Studio Headphones — frequency response Measured: Neutral
This is the actual measured response of the Pro4S Studio Headphones by Koss (source: ASH-IR HpCF). Compare it against the Harman target, listen to the tuning on test signals below, then check prices (from ₹9,823 at 1 store).
Signature: Neutral
Bass vs mids: +2.2 dB
Treble vs mids: -3.5 dB
Tuning vs Harman: 2.9 dB avg dev (moderately tuned)
Measured by: ASH-IR HpCF
On file since 2026-10-05
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.