If I had one wish, it would be: The spring steel headband is a bit very angular. It would be very nice if the sharp edges could be sanded, just like the base of my Silvercrest headphone stand

+ KA5 = an ideal mobile companion

This is a very good overview – thank you very much for it. Is it possible to expand the table to include two models? FIIO FT5 and AKG K702

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You're right. I'm looking for an AMP/DAC with 2 headphone outputs that can be adjusted so that I can listen to the FT5 and the FT3/350 at the same time as my wife. The volume adjustment could also be done with “balance”.

Can I use two headphones in parallel at the 6,3 / 4,4 / XLR outputs?

Thanks for the tip. But it has no digital inputs and no DAC. I don't want to send the signal through the AVR first. The Violectric 590 would be perfect, but way too big for my wallet.

After a few weeks with my new FT5, I'm looking for a new headphone amplifier. Maybe you can recommend one to me? Since I want to operate a second headphone with a different impedance in parallel, it should have 2 adjustable outputs. Unfortunately, a LakePoeple G105 has too few inputs and no...

@FiiO I bought the FT5 and am very happy with it. I'm already looking forward to the announced FT7. Can you perhaps already reveal whether it will be a planar or a dynamic? Will it be suitable for mobile devices or will it have a higher impedance? I think the 3.5mm and 4.4mm interchangeable...

I also have the FiiO FT5 and the KA5 (balanced = 2x 265mW). They fit together perfectly. The new KA17 has even more power :gs1000smile:

In the user manual you can see that you can easily replace the plug. The 3.5mm adapter is in the bag.

Yes, see this: AliExpress >> FiiO/LL-RC Dual 3.5mm Interchangeable Earphone Plug Upgrade Cable >> FiiO LL-RC

@timetolose Last summer I was looking for a replacement or addition to my K702 and came across the new HD660S2. After testing for a while, I noticed that both headphones sound very similar. Both headphones are very bright and work like a scalpel that breaks down the music. The sound was...