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Oppo PM3 Closed-Back Planar Magnetic Headphone - Blue — frequency response Measured: Bright

This is the actual measured response of the Oppo PM3 Closed-Back Planar Magnetic Headphone - Blue by oppo (source: AutoEq · Innerfidelity). Compare it against the Harman target, listen to the tuning on test signals below, then check prices.

Signature: Bright Bass vs mids: +2 dB Treble vs mids: +4.6 dB Tuning vs Harman: 2 dB avg dev (close to target) Measured by: AutoEq · Innerfidelity 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.

Other measurements of this product

Different rigs measure the same product differently - coupler, placement and compensation all show. Each curve is credited to the source that measured it.

Measured: Neutral Measured by ASH-IR HpCF · on file since 2026-10-15