PENON QUATTRO 4 DD IEM — frequency response Measured: Warm
This is the actual measured response of the PENON QUATTRO 4 DD IEM by Penon (source: AutoEq · ToneDeafMonk). Compare it against the Harman target, listen to the tuning on test signals below, then check prices.
Signature: Warm
Bass vs mids: +6.2 dB
Treble vs mids: +3.1 dB
Tuning vs Harman: 3.2 dB avg dev (moderately tuned)
Measured by: AutoEq · ToneDeafMonk
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.