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blorg t1_jad7fkt wrote

That's very low power. The $9 Apple dongle does 31mW@33Ω, 30% more power than this does.

The Edition XS are much lower sensitivity (91dB/mW spec, and that's optimistic) than the Focal Clear (104dB/mw) or HD6XX (~100dB/mW), while your amp does higher power at 300Ω than 32Ω.

The Edition XS is 18Ω where presumably your integrated amp is putting out even less power.

Often the headphone outputs on these can be OK for high impedance dynamics but no good for low impedance, low sensitivity planars, it seems like this is one of these cases.

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ElectronicVices t1_jae0isk wrote

When the rated wattage drops at lower ohm rating the device is current limited/has a very high output impedance. Either could create issues with the planar, the former being more impactful than the latter.

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