Why cant they just have the DAC go on? - LG G7 ThinQ Questions & Answers

Just like the V20 and the V30 th G7 DAC is only good sometimes. I plug in my SOL V10HD cans and bam, DAC turns on and actually kicks in. I plug in my Audio Technica ATH-M50x and dac turns on but doesnt "kick" in. Turning the DAC on and off with the M50x sounds the same. I remember the SW fix for the V10 that just kept it on AND kicking. And they hype the DAC, again, yet provide no earbuds. I am so glad I didn't pay for this crap.

i had the v30, and every time the DAC said it was on, it was clearly making a difference, regardless of headphones or app.
maybe you are talking about high impedance mode?

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Improved sound quality with fiio e6!

I bought a fiio e6 on amazon and sound quality has improved tremendously. Even with my a2dp receiver in my car, the improvement was great. Any other experience?
What kind of headphones are you using? i suspect that makes much more of a difference than the amp
I'm planning to get an E6 by the end of this month. Together with AKG K240 MK II. I will need the amp anyway, but it'll be good to know what ear-/headphones you are using.
Sent from my GT-I9100 using XDA
Just tried my E6 on my i9100. Absolutely no change at all. Tried 5 different IEM's and 2 different headphones, they all sounded the same.
Maybe your E6 is broken!
I use it with akg K317 and in my car with a beewi bba100.
I've ordered an e5, which I should receive tomorrow, from what I've read the bass boost on the e5 is better than that of the e6.
I'll report back on any change on the sound quality, although don't expect anything in-depth, I'm no audiophile
without a proper lineout from the phone, the sound will either be same or worst in most cases. Because what youre doing is amplifying an amplified signal. So, if the amplified signal from the phone is bad, i'm pretty sure your external amplifier cant fix that.
You would need the Samsung official car dock for true line-out audio. Either that or make your own cable like the one here: http://forum.xda-developers.com/showpost.php?p=20710266&postcount=14
Maybe Bluetooth audio would also work, if you have a Bluetooth receiver with a decent DAC.
No matter what you use, it will not improve the overall sound of the device as it uses a cheap and crappy sound card. Any sort of amp including the Fiio E6 only brings EQ to the music, not to mention you actually lose sound quality because your using a jack to jack method unlike the iPod where they have special cables that connects directly into the DAC of the iPod because of the special provide cables which over-passes the direct headphone jack port. (Search up Fiio L9 Cable) Also when using the jack to jack cable that's provided with the Fiio E6 it lowers the loudness of the sound when connecting via phone to the amp.
Of course then there's the human ear, if you feel like it sounds great, good for you but in reality the sound is worse with EQ added to make you think it sounds great.
If your an audiophile you have to accept that the SGS2 isn't the best music device. Cowon for example or the SGP are good sounding music players. It's a waste of money to buy a Fiio E6 Amp unless your using an iPod to be honest cause it significantly improves the iPod devices.
That's my 2 cents, take it or leave it as you wish.
Blegh said:
without a proper lineout from the phone, the sound will either be same or worst in most cases. Because what youre doing is amplifying an amplified signal. So, if the amplified signal from the phone is bad, i'm pretty sure your external amplifier cant fix that.
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Yeah, I noticed no change in sound quality with my e5. However it can make it a LOT louder, so if that's something you need, you might still want to consider getting one of these
Intercrew said:
unlike the iPod where they have special cables that connects directly into the DAC of the iPod because of the special provide cables which over-passes the direct headphone jack port. (Search up Fiio L9 Cable)
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The galaxy s 2 does also have line out which bypasses the headphone jack (for example the samsung car dock does line-out over the micro usb port) but there doesn't seem to be anything available to buy to do this without the dock. However as claimui said you can make your own cable too

Poor sound quality with line out, but fine with headphones?

Just bought a used/refurbished Tab 3 7.0 from Amazon.
The sound quality when connected to a stereo cable going to my truck's stereo aux in is VERY poor, scratchy, staticy and only hitting the left channel well.
However, when i try headphones, it sounds fine.
I have, for basic troubleshooting purposes:
-Know that the aux in jack in the truck is fine... it works with my HTC ONE and other devices i've tried.
-Know that the stereo audio cable(s) im using are fine. Again, used them with multiple devices to troubleshoot.
-Used multiple headphones and earphones to troubleshoot. I even used my skull candy's with detachable audio cable, then immediately tried that cable in the truck.
Audio is "tolorable" if the tablet is set to 40% or less, but that requires cranking the truck WAY higher then it should be.
Once i hit 50% of volume, it starts sounding like crap, and once i hit 70% its unusable.
However, with any earphones or headphones, i can push it all the way to 100% without distortion (and no, not wearing them while i do it)
Im thinking a software issue somewhere.
The tablet says "earphones connected" no matter which cable i plug in, headphones or aux cable.
Also, in accessibility the "mono if using a single earpiece" box is UNCHECKED.
I have the exact same issue. Were you able to figure it out?
EDIT: I found this link where safariking made a zip file to remove bloatware. I ran it and my sound is vastly improved.
Good Luck and remove bloatware at your own risk.
http://forum.xda-developers.com/showthread.php?t=2497110

[Q] Behringer UCA202 DAC - sounds horrible compared to headphone jack/bluetooth

So I found a Behringer UCA202 DAC online for really cheap and thought why not try it just for fun. Everything I've read says having one can help a bit and I figured at the least it would sound the same, but I plugged it into my Nexus 5 via OTG then plugged the AUX cord to my Jeep into the DAC and all bass and pretty much any other level of detail is gone from my music whether it's from Pandora, YouTube HD, or FLAC audio files. Audio sound quality is equal to listening to music over old mono bluetooth, you hear it fine but any highs and lows are removed. Has anyone else used this DAC that could give some suggestions?
Otherwise it's just as I assumed, DACs are pointless on good quality phones and that's why I can't find any DAC threads with the Nexus 5 involved.
herqulees said:
So I found a Behringer UCA202 DAC online for really cheap and thought why not try it just for fun. Everything I've read says having one can help a bit and I figured at the least it would sound the same, but I plugged it into my Nexus 5 via OTG then plugged the AUX cord to my Jeep into the DAC and all bass and pretty much any other level of detail is gone from my music whether it's from Pandora, YouTube HD, or FLAC audio files. Audio sound quality is equal to listening to music over old mono bluetooth, you hear it fine but any highs and lows are removed. Has anyone else used this DAC that could give some suggestions?
Otherwise it's just as I assumed, DACs are pointless on good quality phones and that's why I can't find any DAC threads with the Nexus 5 involved.
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Ummm, it's not a DAC. It's an interface.
theesotericone said:
Ummm, it's not a DAC. It's an interface.
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Yes, with a DAC in it. You need a DAC to get audio output through USB, there is no analog audio output through USB/USB OTG...
herqulees said:
Yes, with a DAC in it. You need a DAC to get audio output through USB, there is no analog audio output through USB/USB OTG...
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Yes it has a DAC but it's not meant as a stand alone DAC. It's an interface or soundcard. Does your phone have enough juice to even operate the thing? Also for a device that sells for less than 30 bucks what exactly where you expecting? Get a real DAC. You will notice a huge difference. Until then do some more research on what you have and see if your meeting it's power requirements.
This is actually a pretty good review of the unit with lots of technical info.
http://nwavguy.blogspot.com/2011/02/behringer-uca202-review.html
theesotericone said:
Yes it has a DAC but it's not meant as a stand alone DAC. It's an interface or soundcard. Does your phone have enough juice to even operate the thing? Also for a device that sells for less than 30 bucks what exactly where you expecting? Get a real DAC. You will notice a huge difference. Until then do some more research on what you have and see if your meeting it's power requirements.
This is actually a pretty good review of the unit with lots of technical info.
http://nwavguy.blogspot.com/2011/02/behringer-uca202-review.html
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While I can't see power being an issue I suppose I'll test with my Nexus 7 and laptop. I know it's a cheap DAC but I've read many reviews using this DAC with tablets and phones for car audio, along with the nwavguy in-depth review and testing showing how it's not a multi-hundred dollar unit but still does amazingly well. My issue is it doesn't even sound decent. It sounds like I'm playing rap/hip-hop through an old Nokia on speaker phone, you can hear it clearly but there's no depth.
So I tossed this DAC in a closet after I got bored of trying to make it work right and forgot about it for a year or so till earlier today when I found it while cleaning. My Nexus 5 has been retired and serves no purpose other than a security camera now. I now have a Samsung Galaxy S5 and an RCA Maven Pro tablet. The RCA Maven Pro is an 11.1inch 2-in-1 Android tablet with detachable keyboard for around $120. You'd assume it's horrible thanks to the brand and price but they managed to cut corners in all the right places it seems. Downsides are no GPS, 1GB of RAM, terrible cameras, and a horrible speaker. Other than that it has faithfully replaced my $1200 laptop with zero issues other than adjusting to ditching Windows.
Now back on track when I listen to music I'm either using an aux cord plugged into my work truck or bluetooth when using headphones or in my new car. When doing a side by side comparison bluetooth, to no surprise, shows no difference between my Maven and S5. However when using an aux cord the RCA doesn't put out as much bass and highs are... I guess not as clear? I think audiophiles are insane most of the time so it's hard for me to describe when I do notice a difference. Anyways I plugged the UCA202 into the RCA's USB port (no OTG here, it has a full size USB port) and plugged my Sony MDR-XB950BT headphones in to it with an aux cord (these headphones are 100% passive when wired, no bass boost or other enhancements) and sound quality is just as great as my S5, all bass and highs are restored. Just to further the test I plugged it into my S5 and did the same test with the same results. These are the same FLAC song files from the same network location that my Nexus 5 was playing a year ago.
The whole time the issue was something in my Nexus 5. What it was I don't know and sorry you guys I don't plan on investigating, I just wanted to inform everyone that the Behringer UCA202 is in fact a quality budget DAC since this thread is a top Google result for "Behringer UCA202 Android". If you have a cheap device that you want the audio to be on par with the high end phones this will do it, and for my original purpose of at the same time giving a bit of amplification for a weak head unit without distortion it does that decently too. To finish this off I am NOT an audiophile. Just a human with human hearing that likes songs with bass on car head units that weren't always designed for it (I glued a 80mm CPU fan to the back of the HU in my Jeep ) So take my finer details however you'd like.
the DAC works great for my Nexus 7 2013 model.
maybe otg cable is sh1tty
Sent from my D820 CAF using Tapatalk

What are the best in ear earphones for LG G7'S quad DAC?

I'm not a huge fan of over the ear headphones, and prefer in ear earphones. Would the soundmagic E80 earphones be adequate enough to activate the quad DAC and actually make a noticible difference? I use Apple music to listen to music, but may switch to Spotify for the "very high" quality. i currently have Sony MDR EX650AP earphones
Thanks
Using Jerry Harvey Audio JH-11's and a Moon Audio Black Dragon cable, I can say the G7's output is pretty darn good. I have a DragonFly Red DAC and don't hesitate to plug directly in when I need the USB port to charge up. Ymmv.
The stupidly expensive cable is like getting better tires and brakes for your car instead of an exhaust. It makes a difference everywhere.

Distorted audio when using Hi-Fi Quad DAC

My LG G7 ThinQ distorts with Quad DAC on at high volume... Without a DAC sound is clearer and louder, and it doesn't distort... Headphone jack makes noises when rotating it, plus while removing headphones from the jack a loud hiss happens... Is my DAC dying or is it a headphone jack issue? Please help...
Brbi2k said:
My LG G7 ThinQ distorts with Quad DAC on at high volume... Without a DAC sound is clearer and louder, and it doesn't distort... Headphone jack makes noises when rotating it, plus while removing headphones from the jack a loud hiss happens... Is my DAC dying or is it a headphone jack issue? Please help...
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if I had to guess I'd go with possible faulty headphone jack or your headphones, have you tried other sets of headphones and had the same issue? only thing I can recommend is check different headphones if it persists factory reset if it persists again take it to where you got it from and see what they can do about it.
Joe199799 said:
if I had to guess I'd go with possible faulty headphone jack or your headphones, have you tried other sets of headphones and had the same issue? only thing I can recommend is check different headphones if it persists factory reset if it persists again take it to where you got it from and see what they can do about it.
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The cause may be my resoldered headphones, but yeah, I tried other headphones and they also distort... Sound is a lot worse with DAC on... With normal mode sound is completely normal, which is why I suspect the DAC is dying... I just hope I can fix it for low price as paying $100 for something like that would be stupid... That is the only reason I bought this phone and now it distorts... Qualcomm DAC is not bad, but I prefer ESS DAC...
Brbi2k said:
The cause may be my resoldered headphones, but yeah, I tried other headphones and they also distort... Sound is a lot worse with DAC on... With normal mode sound is completely normal, which is why I suspect the DAC is dying... I just hope I can fix it for low price as paying $100 for something like that would be stupid... That is the only reason I bought this phone and now it distorts... Qualcomm DAC is not bad, but I prefer ESS DAC...
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Weird, I'm sorry I couldn't be more of a help. Hope everything works out for you
Joe199799 said:
Weird, I'm sorry I couldn't be more of a help. Hope everything works out for you
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I really hope that too...

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