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kazuviking t1_iy3046y wrote

Reply to comment by Lelouch25 in My JDS Atom amp on high gain sounds MUCH wider with Planar headphones? by Lelouch25

No headphone power calculators are super accurate online. The beyers need voltage and not current so voltage limited dongles might not work for your listening level.
That 40mW amp is capable of delivering 1VRMS and that is enough to listen at 65dBSPL with loudness peaks reaching 82dBSPL. More than enough if you listen normally.

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Lelouch25 OP t1_iy30ckg wrote

Oh thanks for clearing that up.

I’ve tried my Sundara on my Dragonfly Black into the phone and even at higher volume it sounded thin.

I bought a 3.5mm to RCA to amp the Dragonfly Black and it instantly sounded full.

That’s what I mean.

Is under powered headphone not a thing?

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kazuviking t1_iy313ji wrote

The sundara is just built differently since that needs a lot of voltage but while being low impedance and most will struggle with that requirement.

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