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Discussion Starter #181
USB audio & Android mini PC & class T amplifier with USB DAC: affordable Hi-Fi system
http://www.hifichile.cl/index.php?/topic/8060-android-music-server-mediante-dac-usb/
http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Delectronics&field-keywords=MK808
http://www.amazon.com/Topping-TP30-Digital-Amplifier-USB-DAC/dp/B005D7SKWK
http://www.whathifi.com/Review/Tannoy-Mercury-V1/


music files stored on USB hard drive > XBMC player running on MK808 Android mini PC > USB audio out >> Topping TP30 USB DAC/amp >> Tannoy Mercury V1 speakers


The system is remote-controlled by a XBMC Remote app running on a smartphone.


 

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Discussion Starter #182

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Quote:
Originally Posted by DanBa  /t/1393599/enable-usb-audio-on-any-android-4-0-smartphone-tablet/150#post_23456698


Galaxy S4 & FiiO E17 USB DAC:amp:
http://www.head-fi.org/t/587912/fiio-e17-alpen-first-impression-final-thought/5910#post_9509589


stock Galaxy S4 > digital USB audio out >> USB OTG cable >> FiiO E17 >> modded Fostex TR50RP

I have a similar setup: GS4 + USB OTG cable + Fiio E17 + Sennheiser HD590


I can't get audio output through the cable; it comes out the external phone speaker only. How does one enable digital USB audio out on a stock phone? Does it require a rooted phone or custom ROM?
 

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Discussion Starter #184
It doesn't require a rooted phone or a custom ROM.

Just plug and play, if the different elements of your setup are OK.


I am wondering if you have separately tested the different elements of your setup:

Galaxy S4 >> USB OTG cable adapter + USB cable provided by FiiO >> FiiO E17 >> headphones


. Galaxy S4 in USB host mode:
Galaxy S4 >> USB OTG cable adapter >> simple USB peripheral like USB mouse or USB keyboard


. FiiO E17:

PC or Mac >> USB cable provided by FiiO >> FiiO E17 >> headphones



USB OTG cable adapter:
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=micro+USB+OTG+cable+adapter&rh=i%3Aaps%2Ck%3Amicro+USB+OTG+cable+adapter
 

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Discussion Starter #185
Cheapo Android tablet (i.e. $39.99) & USB audio :
http://www.6moons.com/audioreviews/maddog/1.html
http://www.head-fi.org/t/513233/neco-soundlabs-portable-v-2-amp/75#post_8366398
http://nwavguy.blogspot.com/2012/05/odac-may-update.html
http://www.microcenter.com/product/423567/A700_Tablet_-_Grey


Multi-Touch 7" 800x480

ARM Cortex A8 1.2GHz Single-Core CPU

512MB RAM & 4GB Flash Storage

Android 4.2.2 Jelly Bean

MicroSD Card

WiFi 802.11b/g/n

Webcam 0.3 Megapixel


Azpen A700 with USB Audio Recorder PRO > USB audio out >> USB OTG cable >> ODAC >> Neco V3 amp >> Mad Dog headphones








 

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Discussion Starter #186

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Discussion Starter #187
Audioengine & Android USB audio:
http://www.engadget.com/2013/08/05/motorola-moto-x-review/
http://www.audioholics.com/av-preamp-processor-reviews/audioengine-d1-dac-video
http://reviews.cnet.com/pc-speakers/audioengine-a2-black/4505-3179_7-35833112.html
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/3510#post_10012617


Motorola Moto X > USB audio out >> USB OTG cable >> Audioengine D1 DAC >> amp >> headphones or speakers





Motorola Moto X > USB audio out >> USB OTG cable >> Audioengine A2+ DAC / amp / speakers

 

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Discussion Starter #188

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Discussion Starter #189
New music player in town, USB Audio Player PRO: the best sound quality music player to my ears on my setup (Samsung Galaxy Note 3 > Objective DAC > SoundLab Neco V3 amp > MrSpeakers Mad Dog headphones) for the time being
https://play.google.com/store/apps/details?id=com.extreamsd.usbaudioplayerpro





Native USB audio & eXtream USB audio (USB Audio Player PRO, USB Audio Recorder PRO):






I am wondering if the great sound quality of USB Audio Player PRO is due to the "direct interface" architecture like the audiophile Audirvana music player for Mac OS X.
http://www.6moons.com/audioreviews/players/4.html
http://www.amr-audio.co.uk/html/dp777_tech-papers_OSX-Integermode.html





"Long time never heard my samsung note 3 , with USB audio recorder pro is to complicated play music .

Today I just bought USB audio player pro .

I am very happy with this new app USB audio player pro


Source : Samsung note 3

Dac / Amp : cypher labs Theorem 720

Headphone : Sennheiser HD 700


Sound Quality : so far very good and best android app for music , it is better than I use USB audio recorder pro"
http://www.head-fi.org/t/678952/samsung-galaxy-note-3-24-bit-192khz/435#post_10107025





"I have a note 3 and a galaxy s3.

Both perform extremly well with my two dac, an asus muses and a chinese custom board with xmos usb.

In my home I have also 2 pc, a portable sony and a nuc intel with dedicated linear power supply, but the quality is not the same as my android source + UAPP PLAYER.

I use for my nuc jriver or Pupmpd,

I like the sound of Pupmpd, but the android source are more enjoable and have the best sound.

Anyone have similar experience?

Why android sound so gooood?"
http://www.head-fi.org/t/696997/android-phone-as-source#post_10103643


"The sound is just beautiful.

I never thought there is that more in my ie80, hd650 stunning as well. Sometimes I almost feel I have a multi speaker system on (or in) my ears. The instrument separation, depht got the biggest upgrade. Really precise, if I can say steril.

still not over the moon but there is smile on my face"
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/3825#post_10113167


"using my microstreamer and s4 has much better sq than microstreamer and laptop combo

I'm using foobar and wasapi plug-in

however in my ears using dac in android has more refined sound than using laptop and win7"
http://www.head-fi.org/t/595071/android-phones-and-usb-dacs/3780#post_10100368
 

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Discussion Starter #190

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Discussion Starter #191

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Discussion Starter #195

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Discussion Starter #196

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I tried Fiio dac and I didn't find any improvements with it vs. using direct analog out with my Galaxy Nexus. So no USB DAC. Instead I OTG-ed 32GB USB drive to the device and connect directly to my receiver amp. Sounds great.


The GNex has a Burr-Brown DAC. Never found it wanting. Not sure about other phones. I read the Galaxy S1 with the Wolfson dac especially with Voodoo Sound is very good too. The less device my source has to go through the better me thinks.


Am I missing something?
 

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Discussion Starter #198
How do you connect the FiiO DAC to your Galaxy Nexus? What is your complete setup? (i.e. Which music player / Which DAC / Which amp / Which speakers or headphones do you use?)


As far as I understand, your receiver amp amplifies the analog stream already amplified by the internal amp of the Galaxy Nexus (i.e. double amping; i.e. the receiver amp or 2nd amp amplifies noise and distortion introduced by the internal amp or 1st amp):


music file > music player running on Galaxy Nexus > digital audio stream > internal DAC > internal amp > more or less distorted analog audio stream > amp



Usually, the cleanest path is the following:


music file > music player > digital audio stream > (internal or external) DAC > (internal or external) amp > speakers or headphones






 

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Discussion Starter #199

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The Hugo is amazing! The only decent cable I can find that works for USB Audio Player Pro to the Chord Hugo is the Vertere Micro USB OTG cable . Are there others around apart from the Maplin / Lindy stuff? If you have an iPhone then Onkyo HF Player works well with Audioquest Lightning cables.
 
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