Fiio FT5 open planar magnetic headphones.

[poxymoron]

This could be interesting:

90mm Open Planar Magnetic Headphones FT5

Planar magnetic drivers are in between dynamic and electrostatic headphones. Like dynamic headphones, there is a sort of coil on the planar driver. Similar to electrostatic headphones, the diaphragm is a special kind of thin, micron-level film. The FT5 is 28nm chip-scale processed, leading to an...

www.fiio.com

 

[IAtaman]

I was excited about the previous Fiio headphone which turned out to be a bit of a let down. With two unmarked and wildly different FR graphs in the same page on its marketing material, this one not giving a lot of confidence either.

 

[solderdude]

Personally I thought the FT3 was not a bad headphone but admit I had higher hopes given the subjective reports everywhere.
Decided not to send it back and keep it.
Preferred the pleather pads and getting rid of the (almost obligatory for most headphones) treble peak is easy to lower.

The FT5 also comes with 2 different pads but it is annoying they 'describe' sound differences but publish only one unnamed FR plot.
That FR plot on the FT5 page lacks a target and info on what fixture it was made. The 10kHz peak is a bit concerning but there are ways to remove those.

The other plot is the phase plot b.t.w.