A Surprise While Upgrading the Hifiman Arya Stealth

Hey everyone,

Ever since I started upgrading headphones, from any brand, I noticed they all use internal wiring made of really poor materials, and the only explanation I had was cost cutting.

Here I’m talking about hifiman headphones.
I’ve already upgraded these models:
HE400se V1 & V2
HE500 OG
HE6se V1 & V2
Edition Xs
Edition XV
Ananda
Ananda Nano

https://iem-world.com/ar/ABrDORq

and they all share the same internal wiring.

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In a moment you’ll see what I found inside the Arya Stealth.

This is how it arrived from the customer:

Here I removed the screws holding the driver inside the cup

I took off the frames, or rings,
and there was the surprise. The wiring is different from any of their headphones I’ve worked on before,
and sadly, even with the difference it’s still bad. A headphone like this deserves better 😡

Here you have to carefully remove the mesh, the fabric covering the driver, so it doesn’t get damaged, because part of the cable runs under it

Here I desoldered the driver and pulled out the plug with its wires to remove them

It takes a while. In short, I remove the wire with the soldering iron, then pull off the factory solder with a wick made for the job, so I can make the joint with the solder I use,
which is the best solder in the world: the German MUNDORF® MSolder SUPREME
gold + silver + copper + pure tin.
It’s one of the things that makes a real difference in any upgrade I do

Here I installed the wire the customer ordered, OFHC high conductivity copper,
which is what I recommend, and I mean strongly recommend, for this headphone in particular

And here it’s connected to the drivers

And here’s the pre-final test of the driver, to make sure it works and the sound comes through properly before closing the headphone

Thank God, once I’ve confirmed everything is fine,
the driver goes back in the cup and I start closing it up

What I noticed after the upgrade:
– The sub-bass goes much deeper than before.
– Stage depth improved.
– Note weight went up overall (for the better).
– The highs relaxed, they’re less aggressive now.
– The headphone sounds more musical, without losing detail.

And finally,
may God bless this headphone for its owner.
It’s a gem, mashallah.

Best regards,
IEM World

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