Chord Electronics ☆ Poly ☆ (wireless & microSD module for Mojo) ☆★►USEFUL INFO on 1st PAGE!!◄★☆

[redrich2000]

I’ve previously used Rigelian with my poly connected to my iPhone hotspot. But I can’t get it to work tonight. The Poly connects to the hotspot but Rigelian says a wifi connection is needed.

Poly shows up as a connected player in Rigelian but the library shows no content on it.

What could I be doing wrong?

 

[Guy Fawkes]

I’ve previously used Rigelian with my poly connected to my iPhone hotspot. But I can’t get it to work tonight. The Poly connects to the hotspot but Rigelian says a wifi connection is needed.

Poly shows up as a connected player in Rigelian but the library shows no content on it.

What could I be doing wrong?

Is GoFigure updated to the latest version?

 

[MarkParity]

Maximum audio quality, better than wired

Interested in how you come to this conclusion. Its not better than wired but it should at least be the same as a wired connection to Mojo 2, at least that's by my findings.

 

[MarkParity]

I’ve previously used Rigelian with my poly connected to my iPhone hotspot. But I can’t get it to work tonight. The Poly connects to the hotspot but Rigelian says a wifi connection is needed.

Poly shows up as a connected player in Rigelian but the library shows no content on it.

What could I be doing wrong?

I got that message recently too, in my case I ignored it and everything worked as normal for my 2TB card. It must have been an update of Rigelian that caused it.

 

[Guy Fawkes]

Interested in how you come to this conclusion. Its not better than wired but it should at least be the same as a wired connection to Mojo 2, at least that's by my findings.

Actually no and there is a reason why I said this:

The UPnP protocol uses the network to send the signal physically separating the source from the DAC, this eliminates any electrical interference or noise from the source (PC in particular being noisier than a battery powered source) since the signal is transmitted via the network and not via a direct USB connection.

USB even if isolated could still transmit small residues of Jitter or RF noise that can influence the perception of sound.

As of now the best sound of the Mojo 2 is obtained with the Poly + mSD, I have no doubt about that.

 

[MarkParity]

Actually no and there is a reason why I said this:

The UPnP protocol uses the network to send the signal physically separating the source from the DAC, this eliminates any electrical interference or noise from the source (PC in particular being noisier than a battery powered source) since the signal is transmitted via the network and not via a direct USB connection.

USB even if isolated could still transmit small residues of Jitter or RF noise that can influence the perception of sound.

As of now the best sound of the Mojo 2 is obtained with the Poly + mSD, I have no doubt about that.

Did you make the assumption that the wired device is a smartphone, there are some very good wired streamers out there that should do a better job than Poly.

Poly is just a USB wired streamer with a very, very short cable, there is no real USB magic going on.

I have a 2Go/2yu for example wouldn't that give a better sound than Poly over USB or at least indistinguishable? That's the point I'm trying to make here.

 

[Guy Fawkes]

Did you make the assumption that the wired device is a smartphone, there are some very good wired streamers out there that should do a better job than Poly.

Poly is just a USB wired streamer with a very, very short cable, there is no real USB magic going on.

I have a 2Go/2yu for example wouldn't that give a better sound than Poly over USB or at least indistinguishable? That's the point I'm trying to make here.

Yes that's right, I assumed you meant a USB connection to a source like a PC or a smartphone, but if you're referring to the 2go+2you with a USB cable it's clear that we're at the same level as the Poly. The fact that both can offer a better experience is because they both use a battery power supply that doesn't introduce noise through the USB connection

 

[ubs28]

Anyone knows why the SD card sounds so much better than streaming? Might as well have turned the Mojo 2 into a DAP with how much better the SD card sounds.

 

[jjazzy]

Anyone knows why the SD card sounds so much better than streaming? Might as well have turned the Mojo 2 into a DAP with how much better the SD card sounds.

A good working dap with the sound quality close to a tt2+mscaler would be a instant buy for me, portable end game for live.

But for not the mojo2+poly will do, even with the quircky poly

 

[alekc]

Actually no and there is a reason why I said this:

The UPnP protocol uses the network to send the signal physically separating the source from the DAC, this eliminates any electrical interference or noise from the source (PC in particular being noisier than a battery powered source) since the signal is transmitted via the network and not via a direct USB connection.

USB even if isolated could still transmit small residues of Jitter or RF noise that can influence the perception of sound.

As of now the best sound of the Mojo 2 is obtained with the Poly + mSD, I have no doubt about that.

@Guy Fawkes you are aware that Poly is an electronic device (generating its own noise) connected via USB to Mojo/Mojo 2 right? Don't want to sound rude nor offend you in any way but I see kind of contradiction in your logic.

Anyway I so glad I've moved away from Poly. IMHO the best SQ (no drop-outs) has been provided by SD card playback.

 

[ubs28]

@Guy Fawkes you are aware that Poly is an electronic device (generating its own noise) connected via USB to Mojo/Mojo 2 right? Don't want to sound rude nor offend you in any way but I see kind of contradiction in your logic.

Anyway I so glad I've moved away from Poly. IMHO the best SQ (no drop-outs) has been provided by SD card playback.

Indeed. UPnP is inferior to the SD card playback so not sure what he is talking about.

And when I moved my high-end USB optimized setup from the Chord Dave to the Chord Hugo 2 as an experiment, the Chord 2 sounded very similar to the SD card playback on the Chord 2Go. So it's not necessary to buy a Chord 2Go or Poly for audio quality as you can get it with USB audio.

 

[alekc]

Indeed. UPnP is inferior to the SD card playback so not sure what he is talking about.

And when I moved my high-end USB optimized setup from the Chord Dave to the Chord Hugo 2 as an experiment, the Chord 2 sounded very similar to the SD card playback on the Chord 2Go. So it's not necessary to buy a Chord 2Go or Poly for audio quality as you can get it with USB audio.

@ubs28 I confirm your findings. In fact the designer of Chord dacs spend quite some time explaining on different occasion how USB is isolated and how Chord dacs are immune to jitter due to internal design, architecture and used components. For years I have M-Scaler/TT2 connected via USB after series of different experiments to Lumin or normal PC and it always sounded exactly the same.

 

[Guy Fawkes]

@Guy Fawkes you are aware that Poly is an electronic device (generating its own noise) connected via USB to Mojo/Mojo 2 right? Don't want to sound rude nor offend you in any way but I see kind of contradiction in your logic.

Anyway I so glad I've moved away from Poly. IMHO the best SQ (no drop-outs) has been provided by SD card playback.

Thanks for your comment, I understand your point and will try to clarify.

The core of my statement is that UPnP, being network-based, physically separates the source from the DAC. This process reduces the impact of any electrical noise or interference from the source itself (for example, a PC with noisy components). When I say noise or interference, I am mainly referring to electromagnetic or RF noise that can be transmitted through a physical connection such as a USB port, even if there is galvanic isolation.

It is true that the Poly is an electronic device and generates its own noise, but in the case of the Mojo/Poly, the connection between the two is internal, optimized by the manufacturer to minimize problems such as jitter and interference. The Poly's role here is to act as a bridge between the source and the DAC, using a wireless connection or network to eliminate noise that might be coming directly from the primary source (such as a computer or music server).

In summary, what I'm saying is that network transmission (UPnP) tends to better isolate the DAC from the noisy source, whereas a USB connection, even if isolated, may introduce small amounts of jitter or RF noise. I'm not saying the Poly is noise-free, but that its design and integration with the Mojo 2 offers a "cleaner" approach than a traditional USB connection.

I hope this clarifies my position. I'm open to constructive discussion.

 

[Guy Fawkes]

Indeed. UPnP is inferior to the SD card playback so not sure what he is talking about.

And when I moved my high-end USB optimized setup from the Chord Dave to the Chord Hugo 2 as an experiment, the Chord 2 sounded very similar to the SD card playback on the Chord 2Go. So it's not necessary to buy a Chord 2Go or Poly for audio quality as you can get it with USB audio.

I agree that SD playback is excellent and in many cases a great way to get the best audio quality, especially with devices like the Poly or 2Go.

My comment about UPnP was more about its potential advantages over USB in certain setups. For example, when using a "noisy" source (such as an unoptimized PC), UPnP can help isolate the DAC from electromagnetic noise or jitter introduced by the physical connection. This is, of course, a benefit that may be less noticeable if you have a high-end, well-optimized USB setup like the one you described.

That said, I agree that, in high-end configurations, USB can offer comparable, if not identical, performance to solutions like 2Go or Poly. I think a lot also depends on personal preferences, usage habits and system specifications.

 

[alekc]

Thanks for your comment, I understand your point and will try to clarify.

The core of my statement is that UPnP, being network-based, physically separates the source from the DAC. This process reduces the impact of any electrical noise or interference from the source itself (for example, a PC with noisy components). When I say noise or interference, I am mainly referring to electromagnetic or RF noise that can be transmitted through a physical connection such as a USB port, even if there is galvanic isolation.

It is true that the Poly is an electronic device and generates its own noise, but in the case of the Mojo/Poly, the connection between the two is internal, optimized by the manufacturer to minimize problems such as jitter and interference. The Poly's role here is to act as a bridge between the source and the DAC, using a wireless connection or network to eliminate noise that might be coming directly from the primary source (such as a computer or music server).

In summary, what I'm saying is that network transmission (UPnP) tends to better isolate the DAC from the noisy source, whereas a USB connection, even if isolated, may introduce small amounts of jitter or RF noise. I'm not saying the Poly is noise-free, but that its design and integration with the Mojo 2 offers a "cleaner" approach than a traditional USB connection.

I hope this clarifies my position. I'm open to constructive discussion.

@Guy Fawkes well it is still (and always will be) an USB connection and the whole Poly/Mojo is "sandwich" type solution far from being perfect IMHO. Besides noise there is also a problem of heat dissipation consider both devices small footprint and internal batteries. Not to mention the radio transmitter/receiver in Poly.