I got email from topping "For the Audirvana 3.5.26, we did not have a chance to test the version yet, but it is newer than ours. In theory, it is no problem to use it."
Topping DX7 Pro - DAC and balanced headphone AMP with ES9038pro and Bluetooth 5.0
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DSD works just fine but volume must be set to max in audirvana. 
Hi guys! tell me, can dx7 pro be called completely balanced if it has only one chip es9038pro?
Internally it has 8 units of dac, which is enough for balanced in and out.
RSC08
100+ Head-Fier
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Torn between this, the JDS Labs Element II or JDS Labs AMP II + a standalone dac... Not sure what to get. 
Just for the sake of convenience alone I would go for the DX7 Pro : all in one no cable and a remote to drive dac inputs and amp volume.Torn between this, the JDS Labs Element II or JDS Labs AMP II + a standalone dac... Not sure what to get.
Not to mention the superior dac of the Dx7 pro. The only area the JDS wins is amplification but honestly the DX7 pro has way enough even when driving my now sold 600 Ohm Beyerdynamic T1s. It has a healthy power reserve and enough to injure your hearing.
Also keep in mind I picked this, downgrading from a Chord Hugo 2 and do not regret doing so to this day
PaganDL
Headphoneus Supremus
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@PinkyPowers,
If the DX7 Pro is the source then as a general rule, louder it should be than whatever the secondary amp volume levels are.
The important thing to remember, whatever the source device is, whether volume control is controlled via computer or on the unit, it should be as loud as it should can be without clipping &/or distortion or to your preference following those guidlines.
In this way, you can adjust your secondary amp to whatever's comfortable for listening, provided there is no clipping &/or distortion either via the secondary.
Hope this makes sense.
By the way, keep up the good work on those reviews !
Hope you have a great day !
inseconds99
500+ Head-Fier
Does anyone have any experience with HD800S and this dac/amp and can comment on the pairing?
The clarity is quite remarkable even at lower volumes. Also, the separation of all the instruments and sounds unfolds naturally as dynamics changes. I couldn’t notice distortions when the sound volume went higher.
All in all, very clean sound and a great listening experience.
All in all, very clean sound and a great listening experience.
inseconds99
500+ Head-Fier
The clarity is quite remarkable even at lower volumes. Also, the separation of all the instruments and sounds unfolds naturally as dynamics changes. I couldn’t notice distortions when the sound volume went higher.
All in all, very clean sound and a great listening experience.
I am def going the topping Dx7 Pro, my only issue now is my HD800S are the new revision with the fixed yoke and the 4.4 balanced instead of XLR. I need to find a good XLR adapter or a new cable completely.
what are you talking about ?! The Dx7 pro has a 4.4mm balanced output, so I really don't understand your issue here ?N
inseconds99
500+ Head-Fier
Wow I appreciate that, I honestly overlooked that and thought that was a 3.5mm as I didn’t look at spec sheets. This dac/amp is perfect. Now I just need to find one now at a good price. the drop is over and APOS won’t price match it cause it has ended unfortunately.
Guys anyone enquiring about DX7 Pro / HD 800 synergy should check this video out 
Thanks for the review. I was worried about the impedance mismatch, but you loved the pairing with the Empyrean. So which connection did you use with the Meze Empyrean? Would it be your favorite DAC/amp for this headphone?
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