[Q] Note II & Fiio E07K external DAC problem - Galaxy Note II Q&A, Help & Troubleshooting

Note II GT-N7100 - Android 4.1.2 stock - Kernel 3.0.31 - Fiio E07K - standard OTG cable
When I connect the Fiio to the phone, I get a 'Lock' appearing on Fiio (according to Fiio, it means OK) and the phone says, 'USB connected' and the sound from speakers get muted.
So far so good, BUT!
When I play something, there is no sound from Fiio, and peculiarly , what is being played (music or video) is on fast forward! a 3 minute song finishes in a few seconds.
Of course if I use the Fiio as an amp, I have no problems.
If I connect a USB stick, the phone reads it fine, indicating the OTG cable is good.
Any ideas?
Thanx

Hi,
Have you had any success in solving your problem?
I'm thinking about buying the E07K and want to use the DAC function. I've tested my phone with an OTG cable and it reads memory sticks OK - same as yours, so I was presuming it would work with the Fiio. Reading your post, however, has given me some doubts.
I'm using an HTC One X + running stock 4.2.2

uziquattro said:
Hi,
Have you had any success in solving your problem?
I'm thinking about buying the E07K and want to use the DAC function. I've tested my phone with an OTG cable and it reads memory sticks OK - same as yours, so I was presuming it would work with the Fiio. Reading your post, however, has given me some doubts.
I'm using an HTC One X + running stock 4.2.2
Click to expand...
Click to collapse
No , does not work!
I gave up.

OK, thanks for responding. I'll probably still get the E07K as the DAC function is unlikely to work with any other portable amps if it doesn't work with this one.

Not what you want know, probably. IBasso D-Zero works fine as a Dac/Amp on the stock Note 2.
Sent from my GT-N7100 using XDA Premium 4 mobile app
---------- Post added at 01:57 PM ---------- Previous post was at 01:50 PM ----------
Oh, did you try http://www.extreamsd.com/USBAudioRecorderPRO/ ??
Sent from my GT-N7100 using XDA Premium 4 mobile app

kentajalli said:
Note II GT-N7100 - Android 4.1.2 stock - Kernel 3.0.31 - Fiio E07K - standard OTG cable
When I connect the Fiio to the phone, I get a 'Lock' appearing on Fiio (according to Fiio, it means OK) and the phone says, 'USB connected' and the sound from speakers get muted.
So far so good, BUT!
When I play something, there is no sound from Fiio, and peculiarly , what is being played (music or video) is on fast forward! a 3 minute song finishes in a few seconds.
Of course if I use the Fiio as an amp, I have no problems.
If I connect a USB stick, the phone reads it fine, indicating the OTG cable is good.
Any ideas?
Thanx
Click to expand...
Click to collapse
I can confirm the E07K works with the note 2. All you need to do is turn OFF USB charging on the E07k. Works perfectly now that its off.

farhangleo said:
I can confirm the E07K works with the note 2. All you need to do is turn OFF USB charging on the E07k. Works perfectly now that its off.
Click to expand...
Click to collapse
Already tried it, no good on mine!
Mine has stock ROM, how about yours?

farhangleo said:
I can confirm the E07K works with the note 2. All you need to do is turn OFF USB charging on the E07k. Works perfectly now that its off.
Click to expand...
Click to collapse
more info of your note 2 pls?:good:
e07k is not cheap for me..need to know if it is 100% work, mine on omega v18 and perseus, maybe I need the usb audio apps too?
thanks!

Related

HDMI adapter?

Anyone know if they will be releasing HDMI adapter for note 10.1?
darkmatthew said:
Anyone know if they will be releasing HDMI adapter for note 10.1?
Click to expand...
Click to collapse
Galaxy tab hdmi adapter works perfectly and I have it and tested it http://www.amazon.com/gp/product/B0059UGT1K/ref=oh_details_o01_s01_i00
Also this is a way to have wireless mirroring: http://www.amazon.com/gp/product/B0089VO7MY/ref=oh_details_o01_s00_i00
I ordered the wireless one, probably won't get til october though at the earliest.
+1 I have this one also and it does work. The wired one. You do have to have the charger plugged in for it to work-so consider this when deciding which to get. Someone else mentioned an HTC one for wireless in another thread.
BeerChameleon said:
Galaxy tab hdmi adapter works perfectly and I have it and tested it http://www.amazon.com/gp/product/B0059UGT1K/ref=oh_details_o01_s01_i00
Also this is a way to have wireless mirroring: http://www.amazon.com/gp/product/B0089VO7MY/ref=oh_details_o01_s00_i00
I ordered the wireless one, probably won't get til october though at the earliest.
Click to expand...
Click to collapse
got to be careful with the allshare cast for S3 and note 10.1. Both s3 and note 10.1 has different pin connector so the doogle for s3 may note fit note 10.1
Mankul said:
got to be careful with the allshare cast for S3 and note 10.1. Both s3 and note 10.1 has different pin connector so the doogle for s3 may note fit note 10.1
Click to expand...
Click to collapse
Yes but i am not connecting it to my note
It connects to the tv and ad regular micro usb. At least the one I ordered.
@ BeerChameleon and TonyZ3: Have you guys tried using surround sound with the HDMI adapter? (Settings/Accessory/HDMI sound/Surround.) The default is Stereo, and my Note 10.1 works great on that setting. But if I select "Surround" I get audio out that is extremely choppy. BTW, using either setting my adapter puts out a PCM 5.1 signal. With stereo selected, sound only goes to Front Left & Right, even though the signal is still PCM 5.1...
Nakel said:
@ BeerChameleon and TonyZ3: Have you guys tried using surround sound with the HDMI adapter? (Settings/Accessory/HDMI sound/Surround.) The default is Stereo, and my Note 10.1 works great on that setting. But if I select "Surround" I get audio out that is extremely choppy. BTW, using either setting my adapter puts out a PCM 5.1 signal. With stereo selected, sound only goes to Front Left & Right, even though the signal is still PCM 5.1...
Click to expand...
Click to collapse
I will give it a shot tonight. However I don't have surround sound speakers
BeerChameleon said:
I will give it a shot tonight. However I don't have surround sound speakers
Click to expand...
Click to collapse
Hey Beer!
Any luck?
Nakel said:
Hey Beer!
Any luck?
Click to expand...
Click to collapse
sorry completely forgot wait a min I will try it right now
Sorry I missed this the other day.
I just did some quick testing and for me a movie on stereo is a little louder than surround. But not choppy. If I just play my Google music thru the hdmi the sound is equal in both settings.
Mine doesn't give me the option to change it from stereo it is grayed out....
Sent from my GT-N8013 using Tapatalk 2
---------- Post added at 08:38 PM ---------- Previous post was at 08:35 PM ----------
BeerChameleon said:
Mine doesn't give me the option to change it from stereo it is grayed out....
Sent from my GT-N8013 using Tapatalk 2
Click to expand...
Click to collapse
I have to change it before I plugins in no one told me lol and no static here....
Sent from my GT-N8013 using Tapatalk 2
BeerChameleon said:
Mine doesn't give me the option to change it from stereo it is grayed out....
Sent from my GT-N8013 using Tapatalk 2
---------- Post added at 08:38 PM ---------- Previous post was at 08:35 PM ----------
I have to change it before I plugins in no one told me lol and no static here....
Sent from my GT-N8013 using Tapatalk 2
Click to expand...
Click to collapse
Thanks guys! My adapter must be bad then. I'll exchange it. Hopeully it's not my Note 10.1 that's bad!
Hi All,
I have bought the Samsung HDTV Adapter (P30pin) Modell: EPL-3PHPBEGSTD, but have no Audio on my TV (Philips 42").
Everythink works well between my laptop and the TV with the same HDMI cable , but with the Tablet and the Adapter is there only video without sound..
Any suggestions pls.?
Sent from GT-N8000 with Tapatalk 2
Nelson Hawker said:
Hi All,
I have bought the Samsung HDTV Adapter (P30pin) Modell: EPL-3PHPBEGSTD, but have no Audio on my TV (Philips 42").
Everythink works well between my laptop and the TV with the same HDMI cable , but with the Tablet and the Adapter is there only video without sound..
Any suggestions pls.?
Sent from GT-N8000 with Tapatalk 2
Click to expand...
Click to collapse
Same issues for me, I think it is just on certain TV's. It will work at home on my Vizio TV but the Hotel I stay in while on the road has the no audio problem. Since I only really use this when on the road I just started using my Monster Bluetooth audio speaker when I use the HDMI on the road. I also use the audio plug instead of the Bluetooth to keep it from being out of sync with the audio. I wish I did not have to do this but so far it is the only way I can use the Note 10.1 with HDMI. I also have the Galaxy Tab 10.1 and it works perfect.
Try setting the audio output to stereo instead of surround. That fixed the audio for me.
Sent from my SPH-L710 using xda premium
thx so far
"output to stereo" already done but no change....
I don't think that the TV (Philips Cineos 42pfl9732d) is the causer because any other "HDMI" equipment works fine with it (blu-ray, Dig. STB, etc).
At the moment it looks like for me that the Samsung HDMI Adapter works not really 100% within the specifications which could cause problems with different devices. By the way not sure if this Adapter has been made for HDMI 1.2 or 1.4 maybe this is the point in conjunction with the cable and the TV.....
Will try something within next days and send the Adapter back if nothing works
Nobody else had any problems with the Audio output ?
It works fine on my Sony TV but I did have to crank the volume up to about 50 (normal is about 20).
Nelson Hawker said:
thx so far
"output to stereo" already done but no change....
I don't think that the TV (Philips Cineos 42pfl9732d) is the causer because any other "HDMI" equipment works fine with it (blu-ray, Dig. STB, etc).
At the moment it looks like for me that the Samsung HDMI Adapter works not really 100% within the specifications which could cause problems with different devices. By the way not sure if this Adapter has been made for HDMI 1.2 or 1.4 maybe this is the point in conjunction with the cable and the TV.....
Will try something within next days and send the Adapter back if nothing works
Nobody else had any problems with the Audio output ?
Click to expand...
Click to collapse
Other hdmi items worked fot me as well, just not the note on the hotels tv. My laptop and galaxy tab 10.1 both worked and audio was perfect. The only reason i am saying it could be the tv is for that reason. My note worked at home but not at the hotel. I do use stero as the sound source not surrond.
Sent from my GT-N8013 using XDA Premium HD app
Asked Samsung Support yesterday and received already a reply saying that subject adapter does only work perfectly with items supporting anynet+ (seems to be a special variation of HDMI-CEC). Now I am a little bit confused and worry because this ist not described on the product specification and is finally only to force anybody to use Samsung equipment....
By the way this would explain why it works on some devices, obviously it depends how exactly relevant manufactures consider HDMI specs
Sent from GT-N8000 using Tapatalk 2
But Anynet+/HDMI-CEC is supposed to just add optional extra features such as being able to control certain features of your TV from your device. Not supporting this should only mean those features don't work, but you can still watch HDMI content by setting your TV to the HDMI input manually. Also, Anynet+ is intended to be fully compatible with HDMI-CEC - it's Samsung's trade name for HDMI-CEC.
As a final point, I really wouldn't put much stock into what a support rep says, and that goes for *any company*.

[Q] ExTERNAL DAC FOR N7000

Hello!
Anybody with a JB 4.1.1 ROM got a running external dac on the n7000 ?
ie Fiio E7.
Thanks!
Does 4.1.1 provide digital audio output from note? If so, would it be possible to connect it to stereo system using usb cable? I have Denon micro system and it has usb plug so you can plug in iPhone or iPad and it sounded great when I tryed it. If same thing would be possible with my note I would love it.
samsungi5500 said:
Does 4.1.1 provide digital audio output from note? If so, would it be possible to connect it to stereo system using usb cable? I have Denon micro system and it has usb plug so you can plug in iPhone or iPad and it sounded great when I tryed it. If same thing would be possible with my note I would love it.
Click to expand...
Click to collapse
I know that the I9300 and the N7100 have a digital unprocessed line-out that you can connect to various digital devices and they can be used as a DAC.
I just wonder, if this feature has any hardware limitations or it's just the JB ROM?
If you have the USB HOST cable you can try connecting it to your DENON.
mardulis said:
I know that the I9300 and the N7100 have a digital unprocessed line-out that you can connect to various digital devices and they can be used as a DAC.
I just wonder, if this feature has any hardware limitations or it's just the JB ROM?
If you have the USB HOST cable you can try connecting it to your DENON.
Click to expand...
Click to collapse
I recieved my cable yesterday but cannot find how to use the n7000 as a host. The sound still comes out through the phone speaker and nothing through the DAC.
Audio revolution will record to the phone via usb. Usb audio tester recognises my headphone dac as burr brown, but not able to utilise for audio transfer from phone to dac yet.
My current rom is "Ultimate N7000 XXLSC JellyBean 4.1.2 v5.1"
Has anyone had success with any other rom or kernel ?
Damm I'd love it worked. I want a dac on m'y note , yamaha sucks.
Envoyé depuis mon GT-N7000 avec Tapatalk
I'm also interested in this matter, I would like to have better audio.
Awaiting the results of their experience
+1
Have you activated audio output in the settings under System/Dock?
Sent from my revived Galaxy Note
Note N7000 to Denon AVR
I don't have a DAC but a Denon 1312 AVR with no USB. However, I connect the Note N7000 to the AVR via HDMI using the MHL Connector. Works great and gives near lossless audio when I play FLAC.
+1
I have a fiio dac but can't use it with the note. There's no digital signal output to attach it to. Trust me. I've looked into it. I have to make do with using the headphone amp only, which is still a great improvement.
Sent from BOX13.
I have tried it with an OTG cable and my fiio E7 on jelly bean 4.2 (liquid smooth rom) but haven't had any succes yet. It is possible with the galaxy S3. And I think there should be a way to do it with the note too, since its able to transmit it trough HDMI.
There are some interesting threads on headfi about the matter.
Somebody should kickstart hdmi based DAC with built in power so we can skip mhl connection size can be as big as note as long is not thick... all n7000 / n7100 will rejoice
You here it first from here
Chimayblauw said:
I have tried it with an OTG cable and my fiio E7 on jelly bean 4.2 (liquid smooth rom) but haven't had any succes yet. It is possible with the galaxy S3. And I think there should be a way to do it with the note too, since its able to transmit it trough HDMI.
There are some interesting threads on headfi about the matter.
Click to expand...
Click to collapse
Probably very, VERY LATE in the game. But I have a Note 1, N7000 version that I'm trying to revive purely as a DAP. I've read that only the SGH i717 model supports audio over USB (via OTG). Can anyone confirm? Is there a ROM that can be used for the N7000 version that will allow audio over USB? Thanks.

[Q] Record audio through micro usb???

I'll try to be brief... I run sound booth at my church and we record the sermon on a laptop via the phono jack on the soundboard, but I already use my phone for some of the music and audio files. I'm trying to streamline and use as few devices as possible. Is it possible to record the sermon on my phone via phono jack ---> 3.5 mm -----> micro usb ?
I've been searching this and have found apps that will allow you to record from usb microphone and what not but not sure if micro usb to 3.5 mm will allow audio input (or if it's only good for audio output) to the sgs3...
Any Help would be awesome.
Thanks.
Nobody??
thethirdmurph said:
Nobody??
Click to expand...
Click to collapse
Actually I am trying to do the exact same thing for our church. And here is what I have found out. You can record to a cell phone using the 3.5mm TRRS plug if you have a splitter. Like this one http://amzn.com/B004SP0WAQ or search amazon for MUYHSMFF 3.5mm 4-Pin to 2x 3-Pin 3.5mm Headset Splitter Adapter. Using this should work, but I haven't tried it. I just ordered my cable form Amazon today.
Also, you can check this out...https://www.facebook.com/photo.php?v=316369108422890 The developer of the app RecForge Pro sent this to me when I asked him the question.
Im trying to do all this on an OG Evo4G, so I will let you know if it works out.
and so far, I havent found a solution to record via micro-usb. I would imagine it would need some sort of converter because the line out of the board is typically an analog signal and it would have to be converted to a digital signal for the usb. That is why the splitter option should be just a plug and play. Analog to Analog.
I'll Let you know.
---------- Post added at 01:06 AM ---------- Previous post was at 12:58 AM ----------
Cgenec said:
Im trying to do all this on an OG Evo4G, .
Click to expand...
Click to collapse
Ohh, and I also own a Galaxy S3 .. and I will try it out on that as well.:good:

[Q] USB Audio..

Hello guys!
I've just bought a Nexus 7 to integrate in my car dashboard. Actually I didnt had so much knowledge about it before I bought it, (I only wanted the best and I hate apple so) but I didnt thought it was junk. And that's the only thing I wanted, a non junk tablet that could play music and works as a navigator without hardware-buttons.
My old stupid Iphone 4s worked perfectly for playing and streaming sound from spotify trough a regular usb cable to my headunit, so I didnt even reflect that googles new flagship wouldnt be able to do this simple task. But it seems like it doesnt work..
I've searched for answeres but the only thing I can find is to buy a usb DAC that converts the digital audio to analog audio but then I lose the whole damn point. I want digital audio in to my headunit. And my stupid old Iphone do it great, why the **** can't google flagship do it? Feels like I have bought a extra thin rock from the stone-age.
Please tell me I'm wrong and this is possible somehow. Otherwise I gotta throw this stupid f***** sh*t tablet in the garbage as fast as ******* possibly..
Sorry for my rage.. I just feel so fooled.. I've just bought a 400$ angry birds game. :silly:
You have a couple of options:
1. Use headphone output jack from your Nexus. Hopefully your car audio headunit has an auxiliary input.
2. Bluetooth! This is what I use in my car. If your car audio headunit has bluetooth built-in, then you don't need any cables at all. Just pair your car audio to your Nexus and start playing music! If your car stereo does not have bluetooth, then you need to purchase a bluetooth car kit. These connect to an auxiliary input on your car stereo (just like #1 above). There are bluetooth kits that also stream through an FM modulator, but that should be used as a last resort as sound quality suffers materially.
I installed an Alpine bluetooth car kit and integrated it with my factory car stereo system in a 2005 Honda Accord. Since I did not get the factory CD Changer option, I had that one input open to use with the Alpine Bluetooth. I'd post a link to my YouTube video showing this, but I'm now allowed to post links yet since I'm new to this forum.
The two options listed above are the only ones I'm aware of. I'd love to hear from others if there are other options. The only drawback to both options is that you use the DAC built in the Nexus, you don't get to pass through to a better quality external DAC. The only way around that is a Slimport adapter which uses HDMI. I don't know of any car audio units that have HDMI inputs.
What you want is achievable. Nexus 7 2012 works best with Timur Kernel however Nexus 7 2013 with an AOSP build or stock with Elemental X kernel can have a USB DAC with an OTG Y cable that will simultaneously charge.
If you have Cyanogenmod you may need glitch kernel which does the same thing.
I have a HiFiMeDIY DAC and OTG Y cable (at home) but no reason I couldn't run the same thing in my car with a car charger.
John
I use a fiio e7 on USB and it works perfectly on cm or carbon, no extra apps or kernel required. By the way, otg works fine with Franco kernel on either Rom and hotswapping is supported. I have not yet found another rom that supports it, but I have been using just carbon for quite a while now.
Sent from my HTC_Amaze_4G using xda app-developers app
Some car head decks support android USB then it would charge and do audio. Just make sure it's android compatible.
Good, then we shall fight in the shade!
dobbs3x said:
Some car head decks support android USB then it would charge and do audio. Just make sure it's android compatible.
Good, then we shall fight in the shade!
Click to expand...
Click to collapse
Well i can tell u most of those android compatible r meant can be connect n read as a mass storage,but not as ios.
Unless someone can make a custom rom like the one for 2012 model.
Has anyone tried USB audio on 4.4 yet? I recall reading they were making some changes to USB devices (may of just been mounting drives though).
I
Still no USB-OTG in kitkat
miketunes said:
Has anyone tried USB audio on 4.4 yet? I recall reading they were making some changes to USB devices (may of just been mounting drives though).
I
Click to expand...
Click to collapse
Just tried it. USB-OTG does not work on stock, unrooted 4.4. Neither flash drives nor USB Audio
Old-school said:
Just tried it. USB-OTG does not work on stock, unrooted 4.4. Neither flash drives nor USB Audio
Click to expand...
Click to collapse
When u guys saying otg works dor aosp or some kernel ,does that mean it works with an otg y cable aswell? Like reading files from flash n keep it charge while with flash drive on?
Sorry for the thread jack op.
U and i r on the same boat,i am doing a car mount too.
I am doing a 4g lte one.
I don't have a car, I have a scooter.
Problem fixed !
So it sounds like if I have the stock rom, with the elemental X, I can do USB audio? Do I need some kind of audio manager to specify where to send the output, or would the USB dac automatically disable the on-board headphone jack?
tried PAC rom 4.3 with elemental X 1.8
no go for the DAC audio.
sound is mute no matter what i do.
katsooba said:
tried PAC rom 4.3 with elemental X 1.8
no go for the DAC audio.
sound is mute no matter what i do.
Click to expand...
Click to collapse
so no-go on the PAC rom, but stock should work?
hagensieker said:
What you want is achievable. Nexus 7 2012 works best with Timur Kernel however Nexus 7 2013 with an AOSP build or stock with Elemental X kernel can have a USB DAC with an OTG Y cable that will simultaneously charge.
If you have Cyanogenmod you may need glitch kernel which does the same thing.
I have a HiFiMeDIY DAC and OTG Y cable (at home) but no reason I couldn't run the same thing in my car with a car charger.
John
Click to expand...
Click to collapse
I bought the HifiMeDIY DAC and am using stock 4.4.2 w/ Elemental X Kernal. I don't get any sound out of the dac. What did you have to do to enable the USB sound instead of built-in speakers?
The Nexus 7 is way better than you described it.
You have lots of options for car audio, and they all have downsides, but just to name a few:
Bluetooth (if your car has a bluetooth receiver)
Auxiliary input (if your car has one)
Slimport (you'd need an hdmi-audio converter, but it would sound great)
Wi-Fi direct (not very common for cars, though)
bmccoy11 said:
The Nexus 7 is way better than you described it.
You have lots of options for car audio, and they all have downsides, but just to name a few:
Bluetooth (if your car has a bluetooth receiver)
Auxiliary input (if your car has one)
Slimport (you'd need an hdmi-audio converter, but it would sound great)
Wi-Fi direct (not very common for cars, though)
Click to expand...
Click to collapse
Bluetooth (if your car has a bluetooth receiver) - I need the bluethooth to connect to other things, like an odb adapter and so on. Edit: The bluethooth connection doesnt always connect automatic whit the cars headunit either so that's another problem.
Auxiliary input (if your car has one) - The aux output aint that great, not good enough for my 3500$ audio system in my car.
Slimport (you'd need an hdmi-audio converter, but it would sound great) - Yes the problem is that I need to convert the audio to analoge. It needs a converter and it still doesnt give my headunit digital audio.
Wi-Fi direct (not very common for cars, though)- I use wifi to get my cars 4g connection to the Nexus 7
So in my case. This is just a really expensive angry birds game (Without sound)!

[Q] USB Audio Out?

Can anyone who owns the G3 confirm that USB Audio Out (over an OTG cable) works through a DAC? I can't seem to find any information that confirms or discounts that this works.
Thanks!
PearcePowers said:
Can anyone who owns the G3 confirm that USB Audio Out (over an OTG cable) works through a DAC? I can't seem to find any information that confirms or discounts that this works.
Thanks!
Click to expand...
Click to collapse
It does work with my Fiio E17. Just tried it today after almost buying an app that was supposed to do so. My only complaint is that the DAC seems to be charging while connected to the G3.
jesadac said:
It does work with my Fiio E17. Just tried it today after almost buying an app that was supposed to do so.
Click to expand...
Click to collapse
Thanks, Jesadac! That's great news... I was hoping this was the case, as I believe the G2 also supported it.
I assume you're referring to the USB Audio Player Pro app? It truly doesn't replace the native ability to have a clean digital audio out signal for all sounds out of the phone.
I have the Fiio E18 and a friend has the VZW G3. We just tested the combo and it seems to work fine.
PearcePowers said:
Can anyone who owns the G3 confirm that USB Audio Out (over an OTG cable) works through a DAC? I can't seem to find any information that confirms or discounts that this works.
Thanks!
Click to expand...
Click to collapse
Just bought the new Cayin C5 DAC/Amp. My TMo LG G3 does not put audio out though the amp when connected via OTG. It registers it's connected I'm guessing because all audio is no longer played through the phone. Plugged into my friends Note 4 and it worked right away. Is this is G3 problem? We're both on Lollipop.
I know this is an old thread... but do I still need USB Audio Player Pro to get USB DAC to work? I thought Android 5.0+ brings USB audio, and right now my Beyerdynamic A100 doesn't work by "simply" plugging it in... however I do get about half second of audio and quits.
I go on LG G3 with app USB Audio Player PRO and HibyMusic app, my DAC is Hegel HD2 and DragonFly RED. Logitech USB headphones works too. with China OTG cable.
I can confirm Spotify and youtube doesn't play audio through usb (android 5.1.1), and it still mutes integrated speaker when connected:silly:. Must have usb-player i guess.

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