Alright, been getting some people PM'ing me for initial observations so I'll provide some thoughts.
Now lets talk about the whole Jade II experience so far:
Built quality:
- Feels cheap, synthetic everywhere, Plastic...
- No headphone case/box. The made the shipping box the headphone case

- SMELLS like the rubber protective material it was housed in from the box.. Took forever to air out (still haven't)
- Cable has like no weight to it, and squeezing the flex tube/wrap you can make out the thin gauged wires.. I need to find out how to upgrade these! Also it's short like 2M total.
Comfort:
- Wow they are light!
- Despite not having a gimbal to pivot horizontally, there's enough flex in the headband to get a comfortable position
My audio preference:
As SQ is subjective at this level and fueled by one's preference, it's important for me to explain what my preferences are, so if you don't have the same preferences, then my feedback are probably not useful for you.
Without writing a book, let me simply give the reasons why I own a HE1K V2 as that'll explain my preferences. I had Utopia, LCD4 and HE1K V2 in my position to see which I liked, and chose the HE1K V2 because it was the more balanced of the 3. HE1K V2 didn't have the clarity/detail and speed of the Utopia, it didn't have the impact and oomph the LCD4's had, but what it did have was a smooth, yet full sounding signature while not overly polite vs. the original HE1K. The soundstage was deeper and wider, and lastly, its musical. I can listen to it for hours and just enjoy the music. The last part is most important for me. While I enjoy some critical listening here and there, I enjoy a setup where i can just enjoy the music and forget I'm even wearing cans. I listen to almost all genre of music, and is part of a reason I enjoy a balanced SQ.
My Setup and Settings: HE1K V2
- iDSD PRO
- Solid State Mode
- Everything upsampled to DSD1024 via the FPGA inside iDSD Pro
- iCAN PRO
- XBass 10Hz boost, Tube mode, 3D Off, 0db Gain
Audio is using IDSD PRO as a network transport and DAC in that files are being served via DLNA from my NAS through Fiber Optics and then converted at last 0.2m to RJ45 ethernet Cat 8 cable input to iDSD PRO.
I've tried USB input, while good, it wasn't "great" compared to the network route.
My Setup and Settings: Jade II
Complete iFi PRO stack that consists of:
- iDSD PRO (same settings)
- iCAN PRO
- XBass 10Hz boost, Tube+ mode, 3D Off, 9db Gain
- iESL PRO
- AC Termination On, 620v Bias, 96ohm impedance
Out of box impression: AC Termination Off, 580v Bias, 96ohm, 9db Gain, Tube mode
- Thin, Lean, Anemic, <insert your own verbiage>
- Need "Moar Bass"
- Detailed and revealing, but want to claw my ear drums out level of bright!
- Good sound stage
10hr burn-in and some setting changes impression: AC Termination On, 620v Bias, 96ohm, 9db Gain, Tube Plus mode
- No longer lean, with well balanced mids
- Bass is tight
- Still detailed and revealing, but not a banshee in my ear any more..
- Better sound stage than my HE1K V2 now, with the ability to reveal the layers of sound stage
My Notes:
If I didn't have the ability to alter settings on iCAN PRO or iESL, I honestly don't know how JADE II can sound. So my guess is, plugging the Jade II to systems without much configurability may or may not like the result.