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In Reply to: RE: Cheap dac for smart phone to receiver. posted by mjcmt on December 17, 2016 at 12:09:27
In your first paragraph you want a " step-up from the mini headphone jack"In your second paragraph you say "I'm thinking of one that you plug into to mini usb port".
Two different things, two different solutions.
Please clarify.
Oh, and Android or i-phone? Please identify the phone and the sources you want to use which may also affect the solution e.g streaming (what?), MP3s or does your phone support flac files at various resolutions?
Edits: 12/17/16 12/17/16Follow Ups:
You misunderstood me. I'm using the headphone jack now, but want to use a dac from the mini usb port.
No, I didn't misunderstand you. But thanks for your clarification.
I did ask some other questions as using the USB port from some phones is not straightforward as you may have to unblock it for audio use. The player software may also need to be changed depending upon requirements.
The AQ Dragonfly Black is around $98. However you want a USB DAC that is cheaper according to your second posting to Abe and with line level outputs. That's outside of my area of knowledge. I do not know of anything that is available.
Are your saying I have to get a headphone dac for a phone and use its headphone output to my receivers line input? Will this give me more volume and better sound?
Accordingly what about something like this:
https://www.amazon.com/K1-Portable-Headphone-Amplifier-Titanium/dp/B0189EVGAG/ref=sr_1_5?ie=UTF8&qid=1482030073&sr=8-5&keywords=fiio+dac
Why can't a regular usb dac w/ rica output not work?
No, I am not saying that you have to get a headphone DAC. I am saying that I don't know anything about any products cheaper than a Dragonfly.The item that you link to is not known to me and so I cannot either recommend it or dismiss it ( NB: it is easier for us all if you post a link into the field provided in the "Post a Message" box. Then it appears in your post as a clickable link).
As a general thought, ideally you need to know the typical output impedence of the DAC and the impedence of the receiver input that you want to use to see if they are compatible ( the latter should be at least 10x the former). A DAC that has line outputs is preferable to a headphone output as the latter has already sent the signal through an amplifier to drive the 'phones and you are going to send the signal through a further amplifier. However both will give you sound via your receiver. Whether it would be "better" or gives "more volume" is unknown to me as I don't know what it is being compared with.
I am also saying that you can't rely on a phone USB output just "working" for audio. You may need to install an app that checks if the USB output will support (host) an external USB device for this purpose. Some do not as supplied by the manufacturer and require the port to be activated. I am also saying that some phones or phone OS versions will not support high quality audio output, for example if you are using hi -rez FLAC files. Again you may need to install a suitable app.
A "regular" DAC normally has coaxial and/or optical inputs but not necessarily a USB input although the latter is now more common. One of these without a USB input will not work for you unless you also use a USB/Co-ax converter.
Edits: 12/17/16
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