DA-03 USB-C DAC Audio Converter 192kHz 24bit Toslink Optical 3.5mm AUX Output External Sound Card

Bought this as a way to get 24/192 bitrate music out of my MacBook Pro, with the option to utilize either the analog or digital optical output. Analog works fine and sounds very good. Some quibble over the quality of DACs and their sound. I have always found that the differences in DAC sound quality are minor, and yes, I do have all sorts of high end headphones, headphone amps, speakers, tube preamps and tube amps of old and current vintage. Kef LS50, Stax headphones, Audeze headphones, Kef 104/2 speakers, Conrad Johnson tube preamps, Audio Research tube amps, and the list goes on and one. So I know a thing or two about high end audio. This piece of equipment does what it is supposed to do. You can have high quality analog sound output to headphones or a preamp from a computer, or you can route optical digital to an external DAC, receiver, etc. I have routed it via optical digital cable and it does output 24/192 over a good optical digital cable. This is where I am baffled and surprised. On a whim I tried it out of my Oneplus 8T Android phone. Android by nature limits bit rate and sampling rate to 24bit, 48khz unless you implement some workaround software and use either Tidal or Qobuz. I am using Amazon Music HD. Amazon Music is very good about telling the user what the bit and sampling rates are at any moment in time. I have used a Fiio BTR5 that supports 24/192 and can only get it up to 24/48 out of the phone via USB-C. For whatever reason, this device, the Reiyin DA-03, is playing at 24/192 directly out of my Android phone. I am shocked by that and had no idea it was even possible based on the limitations imposed by Android. If for no other reason, this is a tremendous bargain. I will test further by running an optical out of this into a DAC that is capable of 24/192 and will display its sampling rate. Three cheers to Reiyin.

Worked right out of the box to connect my Macbook Air to a soundbar with an optical input. The computer identified it right away. A tiny blue light on the unit confirms the connection.

Not the best sound, but it gets the job done.

This product is defective. It randomly plays long bursts of horrible static noise at entirely unsafe volumes. It has caused damage to my hearing. I cannot believe this is available for purchase. It's probably cheaper to stick a number two pencil in your ear or duck tape airhorns to both ears. Save your money and your hearing.

As with the other comments here. I does what it says on the box, sort of. I get sound, but you can not adjust the volume through the PC, which is just very inconvenient.

First, this is not a DAC. It does two things. It makes a simple USBC to headphone jack connection, and it converts a digital bitstream to an optical bitstream. I needed this because I have an amplifier with a nice Burr-Brown DAC that needs a driver that has not been updated for the last several Mac operating systems. It formerly was able to accept the digital bitstream from the USB connection on a Mac. However, it now does not work well if I simply connect it to my computer via USBC with appropriate adaptors. Formerly, the headphone jack on many Macs doubled as a mini-optical audio connection, but no more. I am able to plug the Reiyin DA-03 into my USBC port and plug my mini optical cable into the Reiyin device and my amp it provides a perfect digital feed to the DAC in the amp. Apple DACs are actually pretty good as computer DACs go, but there is an audible improvement when I use the Burr-Brown DAC. Of course if the remainder of the audio system is weak, one would not detect a difference. This would probably be particularly useful for an iPad or any other Apple device with only a USBC connector because it would provide a headphone jack or optical output.

I'm using this with my Surface Pro 7. The audio output is only good enough to play though the devices speakers. Once you connect it to quality speakers, you really notice how the sound is lacking. It sounded flat and one dimensional. I plugged this thing in and I am right back to the sound quality I had with my desktop. It really outputs at 192 like it says. If it doesn't do it right away, change it in the sound settings. Amazing for the price. The only thing is I can't adjust the volume level with the system volume control with digital output. I have to adjust the volume with the external amp's volume. That is not the DAC's fault though. I think that is a Windows/system limitation.

I had a box (DAC)... with a Toslink input. And I had a computer, w/o a Toslink output, BUT with USB C. So that was the problem space. Enter this gadget, problem solved. Inexpensive and no fuss. The concept here is that this is a digital format converter, from USB to Toslink. So.. no analog/digital conversions involved - just a change of signal formatting and interface. And thus it doesn't enter into the 'but how does it sound?' debate aside from the Emperor's Clothes types.