64 Audio A4t — frequency response Measured: Bright
This is the actual measured response of the 64 Audio A4t | Balanced Armature Custom IEMs by 64 Audio (source: AutoEq · crinacle). Compare it against the Harman target, listen to the tuning on test signals below, then check prices.
Signature: Bright
Bass vs mids: +1.1 dB
Treble vs mids: +5 dB
Tuning vs Harman: 2.7 dB avg dev (moderately tuned)
Measured by: AutoEq · crinacle
On file since 2026-09-12
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.