For Balance, what I did was purchase on Amazon (but may not be available to you) the 2.5mm iFi IEMatch. I then use a 2.5mm to 4.4mm adapter to connect the IEMatch to my R6 Pro (even though the R6 Pro has very low output impedance, there will still be hiss on very sensitive IEMs.
Hiss has nothing to do with the DAP output impedance, rather with amplification stage. How clean is the power output and how much power we're talking about.
The R6 Pro is a power monster so it amplifies background noise of its amplification stage as well...
There is absolutely zero problem between R6 and DM6 just pure enjoyment. The R6 output impedance issue is really overblown and only apparent to very low impedance iem. The DM6 is fine no need to buy anything extra to solve a non-existing problem.
Hiss has nothing to do with the DAP output impedance, rather with amplification stage. How clean is the power output and how much power we're talking about.
The R6 Pro is a power monster so it amplifies background noise of its amplification stage as well...
Sorry, did not say, or mean to imply, that hiss has anything to do with output impedance, but I can see how you could have read what I wrote that way.
The earlier poster had written “Just got my hand on the Hiby R6, absolute no hiss, noise floor with my DM6. I'm not sure about all the warning about 10Ohm Output impendance.” In fact I said I have hiss out of the R6 Pro which has very low output impedance. It is why I purchased the IEMatch. Yes, in fact as @Joe Bloggs has said on the R6 Pro thread before, the Pro's hiss issue is a tradeoff for the extra power it delivers over the R6.
I suggested that same iEMatch purchase for the earlier poster if they wanted to reduce the possibility that the high OI of the R6 was coloring the sound. That is a personal decision.
Sorry, did not say, or mean to imply, that hiss has anything to do with output impedance, but I can see how you could have read what I wrote that way.
The earlier poster had written “Just got my hand on the Hiby R6, absolute no hiss, noise floor with my DM6. I'm not sure about all the warning about 10Ohm Output impendance.” In fact I said I have hiss out of the R6 Pro which has very low output impedance. It is why I purchased the IEMatch. Yes, in fact as @Joe Bloggs has said on the R6 Pro thread before, the Pro's hiss issue is a tradeoff for the extra power it delivers over the R6.
I suggested that same iEMatch purchase for the earlier poster if they wanted to reduce the possibility that the high OI of the R6 was coloring the sound. That is a personal decision.
My left iem started to develop at slight ‘rattle’ in the upper treble range - noticed it on George Michael - Different Corner.
I hoped it might be a cable connection at first but no such luck Now I have no sound at all from left iem.
Looks like QC is not particularly good with BGVP.
So I just shot Penon an email explaining my problem and now waiting on a response when they go back to work tomorrow. At least I have another set though so all is not lost.
My left iem started to develop at slight ‘rattle’ in the upper treble range - noticed it on George Michael - Different Corner.
I hoped it might be a cable connection at first but no such luck Now I have no sound at all from left iem.
Looks like QC is not particularly good with BGVP.
So I just shot Penon an email explaining my problem and now waiting on a response when they go back to work tomorrow. At least I have another set though so all is not lost.
Given what everyone has said I didn’t even bother to unpack the cable. Stuck another cable on and some Symbio W tips and all is good. My source is a ZX2, so that would have helped avoiding any siblance. They are quite different. I am noticing more hiss in songs, which I assume is the DM6s greater sensitivity than the KPE?
I’ve changed to a Fiio cable and spinfit tips and these are now sounding seriously good. The hiss has reduced and the bass is now just perfect. I don’t normally believe in cables making a difference, but in the case of the DM6 it really does make a noticeable difference. I initially found the clarity a bit lacking in comparison to the KPE, but now clarity is on a par with them.
I’ve changed to a Fiio cable and spinfit tips and these are now sounding seriously good. The hiss has reduced and the bass is now just perfect. I don’t normally believe in cables making a difference, but in the case of the DM6 it really does make a noticeable difference. I initially found the clarity a bit lacking in comparison to the KPE, but now clarity is on a par with them.
I’ve changed to a Fiio cable and spinfit tips and these are now sounding seriously good. The hiss has reduced and the bass is now just perfect. I don’t normally believe in cables making a difference, but in the case of the DM6 it really does make a noticeable difference. I initially found the clarity a bit lacking in comparison to the KPE, but now clarity is on a par with them.
Your one of many documented in this very thread who was surprised by a cable change! Kinda looks funny now for the long standing cable non-believers. Lol
I find the ISN H8 pairs really we’ll with the DM6, the standard cable was really poor, recessed mids - was awful
I also highly recommend the Ares II on the IMR R1 Zenith
My left iem started to develop at slight ‘rattle’ in the upper treble range - noticed it on George Michael - Different Corner.
I hoped it might be a cable connection at first but no such luck Now I have no sound at all from left iem.
Looks like QC is not particularly good with BGVP.
So I just shot Penon an email explaining my problem and now waiting on a response when they go back to work tomorrow. At least I have another set though so all is not lost.
Let’s hope it’s just the odd pair with an issue then. It would be a shame as they sound so good, I got my white pair from BGVPs own store on AliExpress, but my smoked ones came from Penon Audio, a store I have used before with no problems with whatsoever and have heard only good things about in the past.
Let’s hope it’s just the odd pair with an issue then. It would be a shame as they sound so good, I got my white pair from BGVPs own store on AliExpress, but my smoked ones came from Penon Audio, a store I have used before with no problems with whatsoever and have heard only good things about in the past.
Mine came from the official store from ali express the left on rattles and makes distorted sound the mmcx is very lose i had to send them back too bgvp i hope i get a normal one back
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Thanks for your reply, now i can listen in peace.
My left iem started to develop at slight ‘rattle’ in the upper treble range - noticed it on George Michael - Different Corner. 
but no such luck 
so all is not lost.
