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  1. multiformous

    FiiO has released the USBDAC JA11, with an initial price of only $9 (69RMB) and support for PEQ DSD128 PCM384

    I really like this thing (JM12 with JA11 FW) for the EQ but it has the worst crackle of the dongles I have on hand with the "Rumble" test clip here: audiocheck
  2. multiformous

    FiiO has released the USBDAC JA11, with an initial price of only $9 (69RMB) and support for PEQ DSD128 PCM384

    So if I'm reading this correctly, you're using EQ on one output and none on the other?
  3. multiformous

    FiiO has released the USBDAC JA11, with an initial price of only $9 (69RMB) and support for PEQ DSD128 PCM384

    Yes, if you enable EQ in the app and leave the master gain at "0" the you are in reality applying -12dB of preamp. It's like they are giving you all the 'headroom' you need to EQ safely by default (if the user doesn't understand why negative preamp is necessary) because the individual filters...
  4. multiformous

    FiiO has released the USBDAC JA11, with an initial price of only $9 (69RMB) and support for PEQ DSD128 PCM384

    I updated on PC using the utility from Fiio's website to turn my JM12 into a JA11. I've updated firmware on it a few times on PC, not via the Android app.
  5. multiformous

    FiiO has released the USBDAC JA11, with an initial price of only $9 (69RMB) and support for PEQ DSD128 PCM384

    My JM12 looks like the 'jm12_2' photo with that wire mesh around the cable. Flashed it with JA11 firmware without issue. EQ works like a charm.
  6. multiformous

    JCALLY JM20 Headphone Dongle Review

    It's funny... when I try this CS431** test on the dongles I have at hand, the ones where I can actually hear the little clicks are with the CX31993 dongles (VE Abigail and JCally JM6) and KT02H20 (JCally 12) with the latter being by far the worst offender. My CS43131 Meizu Hifi dongle doesn't...
  7. multiformous

    TANCHJIM Space Portable Headphone Adapter Review

    I got the 'success!' when I flashed mine but I don't think I renamed the HEX file with the 2024 date in the name... maybe that's why mine doesn't work now.
  8. multiformous

    TANCHJIM Space Portable Headphone Adapter Review

    Tried this, but when it asks to connect the device, it attempts to finish and then asks again to connect the device. Still 'no device detected' when trying the Tanchjim upgrade tool or the tool you linked.
  9. multiformous

    TANCHJIM Space Portable Headphone Adapter Review

    Yeah I came across this post. The tool linked to in the thread doesn't seem to recognize the Space. Maybe I'll try other USB ports or a different PC.
  10. multiformous

    TANCHJIM Space Portable Headphone Adapter Review

    This is the firmware I tried installing yesterday and it apparently bricked my device.
  11. multiformous

    TANCHJIM Space Portable Headphone Adapter Review

    Ran the firmware updater for some silly reason because I wasn't sure I had the latest installed and it appears I've bricked my dongle.
  12. multiformous

    FiiO has released the USBDAC JA11, with an initial price of only $9 (69RMB) and support for PEQ DSD128 PCM384

    When using the Android app, there's an option for Device Volume that goes from 0-60 for some reason. This is separate from the PEQ master gain and doesn't show up in the Fiio Control web interface.
  13. multiformous

    Ending the Windows Audio Quality Debate

    I thought the 'easy'/straightforward way to avoid these issues was to install EQ APO and always use a few dB of negative preamp?
  14. multiformous

    FiiO has released the USBDAC JA11, with an initial price of only $9 (69RMB) and support for PEQ DSD128 PCM384

    Yes. Disable EQ (may need to do this in the app, not the web browser) and try listening to something. Now without changing volume on your device (android, windows, etc) enable the EQ in the app and leave everything at 0, including global gain. Now, listen again. So here is a measurement of my...
  15. multiformous

    FiiO has released the USBDAC JA11, with an initial price of only $9 (69RMB) and support for PEQ DSD128 PCM384

    Yes, I know to adjust overall preamp when boosting frequencies with EQ avoid clipping. I just find it strange that in this implementation "0" for Global Gain is actually "-12". It's misleading and potentially unnecessary depending on the adjustments made with the filters. Granted, if someone...
  16. multiformous

    FiiO has released the USBDAC JA11, with an initial price of only $9 (69RMB) and support for PEQ DSD128 PCM384

    Yes, V2.1 firmware has improved 'sound quality' for me because I used to notice little clicks all the time with my JM12 with JA11 firmware before the latest update. I still don't understand the +12 actually being 0dB for the preamp gain in the EQ settings though...
  17. multiformous

    Fosi Audio DS2 Portable DAC & Amp Review

    I think it's important if you have an IEM/headphone with a non-flat impedance curve. But it's probably safe to assume many of these dongles will have low Z-out -- I'd be more worried about audio interfaces and PC motherboard outputs.
  18. multiformous

    TANCHJIM Luna Portable HP Amp & DAC Review

    https://reference-audio-analyzer.pro/en/demo-cs131.php#gsc.tab=0 Just listened to the test clip with a few dongles I have around (Meizu HiFi, Apple, Samsung, JM6/Abigail, Tanchjim Space, and JM12) and the KT02H20 JM12 was the only one I really noticed the clicks on.
  19. multiformous

    TANCHJIM Luna Portable HP Amp & DAC Review

    Can't say I've ever heard this using my Tanchjim Space, but it sure looks ugly.
  20. multiformous

    TANCHJIM Luna Portable HP Amp & DAC Review

    Fiio JA11 (as well as JCally JM12 and VE ODO) uses KT02H20 chip.
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