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DX220 A new view to your music. * Latest Firmware: 1.15.233 Local * Link for User Guide 1st Page. AMP9 Now available! And DC01.

Discussion in 'Portable Source Gear' started by Paul - iBasso, Jan 23, 2019.
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  1. liquidrats
    thank for whoever that reported the issue :)
  2. Layman1
    Regarding the 'hot swapping' issue, I did it with my DX200 when reviewing it and trying out several different AMP units. Then I heard from Paul that it was not a good idea to do so, and vowed never to do it again.

    Last week, I met up with a local Head-Fi dude, and had a listening session of DX220 and Sony WM1Z.
    In the process, I accidentally hot-swapped without realising.
    However, in my case, I went *from* AMP9 to AMP8W.

    Now I can listen to AMP8W at volume level 5, for quiet listening at home (e.g. whilst reading). And even on noisy tube trains, volume level 35 or so is fine).
    Last night I turned it down from High Gain to the ultra low gain. It seemed to become a bit richer and more detailed, although possibly with slight less bass slam/impact?

    Anyway, given the epic power of the AMP8 generally, and the fact that this is a modded unit, I think it would be wise to re-set the power back to normal.
    If I did something accidental with the gain/volume, or if the UI had some unexpected spasm, I could end up blowing my eardrums lol.

    So if I switch it off, put AMP9 back in, switch on, switch off, then put AMP8W back in, will it go back to normal?
    Just curious if people have tried successfully to reverse this power increase? :)
    Whitigir likes this.
  3. Nestacres
    Hi all. Have had my DX220 for 48 hours now and loving it - except the battery life. Am on high gain, using Bose NC700 headphones and Mago OS its dropping around 20% in an hour - so would be 4-5hrs battery life. Is that about right for those that have had device for longer? Using Amp1 Mkii
  4. kalo86
    Let's assume that I use my DX220 with AMP8 in low gain at volume 65.
    If I switch to medium gain, I have to decrease the volume to 55 probably (I am not 100% sure now).
    If I switch to high gain, I have to decrease the volume to 45 probably (again, I will verify it).
    My question is: if I match the volume among the 3 gain settings, the audio quality is the same? Or there are some sound parameters which vary when you change the gain selector (for example SNR, sensibility, etc etc)?
    Layman1 likes this.
  5. Layman1
    Agreed, I would really like a basic rough "Layman's" guide to how the different gain settings will generally affect the sound signature (or other aspects) of IEMs.

    And yes, I know I can just listen for myself.. but, you know.. a bit busy/lazy and stuff.. Please just spoon-feed me lol :p

    And is there a difference in how the different gain settings affect IEMs depending on whether they are harder-to-drive IEMs (e.g. hybrids with multiple crossovers)?
  6. twister6 Contributor
    Out of the box battery reading is not 100% accurate until you go through a few charge cycles to get it properly calibrated. Also, factory reset never hurts.
  7. Nestacres
    Thanks. I'll try factory reset. How much battery should I be getting on those settings out of interest?
  8. Ojisan
    Nice! I've been following your post on iiotode and it's been very helpful. Looking forward to more tips and impressions from you!
    amahikas likes this.
  9. AndrewH13
    To me, Amp 9 not really warm, just opening up the music in a natural way.

    I dislike the term ‘more analogue’ because I still love my Roksan turntable which is punchy, crisp and organic, not warm that many associate with analogue. But..... Amp9 definitely will appeal to those who have very good turntables and like a fluent natural sound.
    fokta and JamesKH like this.
  10. jmills8
    So dual dacs are better than just one ?
  11. Sonic Defender Contributor
    As gain rises so does the noise floor. That doesn't mean that the changes are going to be audible in any meaningful way. Ideally you keep gain at the lowest setting required to adequately drive the load to the volume that you desire.
    JamesKH likes this.
  12. panasonicst60
    For best sound quality it should be set to high gain. As high gain will give you the most dynamics. One reason to turn down the gain is if you are using ultra sensitive iem that you can hear hiss.
    Last edited: Jul 23, 2019
    Sound~Patriot, JamesKH and Layman1 like this.
  13. panasonicst60
    This has been discuss many times here and high gain is the best. As this is digital gain which is different than analog. Paul also confirmed this.
    Sound~Patriot, JamesKH and Layman1 like this.
  14. Sonic Defender Contributor
    Answered, thank you.
    Last edited: Jul 23, 2019
  15. Sonic Defender Contributor
    Thank you, I must have forgotten and missed that point. It does sound familiar so my bad.
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