Review and Measurements of Topping DX3Pro DAC and Headphone Amp

[THW]

I accidently pulled the cable of my HD6XX with my elbow today and got the DX3 a few inches off of my table . I noticed afterwards that the glass panel of the lamps on my Topping DX3 has a bit of wiggleroom and can be moved when I push it with my finger.

Does anyone know if this is normal for the DX3, or did I break something on the front?

you might’ve broken something, mine doesn’t move

 

[Veri]

Lol 200e for a power supply

New version is much more expensive fancy power supplies are a silly market.

The Sbooster is at least made well though, measures similar to Amir's lab supply. Audible, probably not but yeah..

 

[Krunok]

My understanding is that they are actually simpler than mp3 (AAC aside obviously) as they do not leverage psychoacoustics. I think the compression used on mini-disks was similar.

Yes, they are.

 

[Veri]

Lol I just realised. My DX3 has the white/red color on the coax RCA's, and the line outs have the yellow color.

No big issue (or maybe that's their secret sauce all along...)

 

[graz_lag]

New version is much more expensive fancy power supplies are a silly market.

The Sbooster is at least made well though, measures similar to Amir's lab supply. Audible, probably not but yeah..

The Sbooster shows a very ordinary design, with a line filter, a quite cheap toroidal transformer, and a simple rectifier and filter.
Any of the parts normally used in a high-end audio power supply are absent as a matter of fact.
However, it proves once again that a basic straight good design, made with fairly common and quite inexpensive parts, with a simple regulator on the output, single sided circuit board, and inexpensive bulk capacitors, may do the job quite well.

Ohh ... all that in a plastic box "en plus" ...

 

[Veri]

Sure. Stand by....

Any update on the filter front? It's probably a little meaningless, but still interesting to compare AKM/ESS' approach.

 

[Veri]

Ohh ... all that in a plastic box "en plus" ...

It might not seem like it on the picture but this thing is about 4x the DX3's size, too add to that the DC out cable is very short and non-extendable (for "quality" reasons).

 

[noel_fs]

A fancy power supply would be an actual vrm

 

[amirm]

One thing about sbooster is that all of their products go through full safety certification. They are an OEM provider for other companies so their volume allows them to design things properly. I would be worried about using non-certified power supplies from others.

 

[Toku]

Suddenly I encountered a problem that sounds do not come out at all when connected to a USB.
The operation state at that time is as follows.

1. COAX-1 normal
2. COAX-2 normal
3. OPT normal
4. USB bad audio output can not be done (ASIO & WASAPI)

Although music is not output at this time, PC and DX3 Pro are communicating normally with USB connection. When examining variously it was in the following state.

· Bit rate is correctly displayed on the display when various songs of PCM and DSD are switched. But there is no sound from the RCA.

· Switching songs with DSD produces big pop noise. There is no pop noise in PCM.

· Large click noise appears when volume is up / down with DSD. PCM does not produce click noise.

· I performed a factory reset on the main unit but the operation did not improve.

· I pulled out the AC adapter from the outlet for 1 minute and connected again but it did not improve.

· I concluded that the hardware was broken, unplugged the AC adapter and left it for about 1 hour.

· After that, plug the AC adapter into the outlet again and turn on the switch and the DX3 Pro suddenly returned to normal operation.

I am glad that the breakdown is restored but it is really a mysterious trouble.

(Sorry, my English may not be correct)

 

[THW]

any news on that firmware update?

 

[Veri]

any news on that firmware update?

None yet afaik. Eagerly awaiting news

 

[graz_lag]

One thing about sbooster is that all of their products go through full safety certification ... I would be worried about using non-certified power supplies from others.

Indeed, the list of logos in terms of safety certification they exhibit is impressive, the largest in the PSU industry with no doubt.
Is the Sbooster more expensive than other comparing alternatives ? Yes it is, but each of the applications they have been granted by, cost money.
Ohh ... and when it comes to safety ... safety 1st rather than the cost saving vs. cheaper alternatives of doubt safety certification ... if any ...

 

[Stuart]

One thing about sbooster is that all of their products go through full safety certification. They are an OEM provider for other companies so their volume allows them to design things properly. I would be worried about using non-certified power supplies from others.

So you recommend it?

 

[bakker_be]

So you recommend it?

I think what @amirm means is that no issues are likely to arise, as it's a trustworthy product. This doesn't mean however that audio will improve because of its use ...

 

[Stuart]

I think what @amirm means is that no issues are likely to arise, as it's a trustworthy product. This doesn't mean however that audio will improve because of its use ...

That would make more sense as nothing I have read seems to be backed up by any science. Will file them away with £100 plus audiophile fuses and £2000 plus cables.

 

[amirm]

So you recommend it?

I have one on free loan from them and use it frequently for my testing. I have also met the company principles and they are great people. I have also shown it to perform better than competing products. See: https://www.audiosciencereview.com/...asurements-of-sonore-microrendu-streamer.577/

Notice how it is much better than ifi power supply.

 

[Rollingsound514]

So in the end HD6XX would need high gain switched on for the amp to do the trick? If you were using 6xx exclusively with this thing would you be satisfied? I perhaps wrongly have a fear of high gain ruining the accuracy.

 

[jsheard]

So in the end HD6XX would need high gain switched on for the amp to do the trick? If you were using 6xx exclusively with this thing would you be satisfied? I perhaps wrongly have a fear of high gain ruining the accuracy.

It depends on how loud you listen of course, but personally I use HD650s (6XX is basically the same thing) with the DX3 and low gain is plenty powerful enough.

 

[Stein]

Bungled a bit with wires, and I'm back with some good news! It would seem that the body of the Topping DX3Pro is highly scratch resistant