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Art Gonzales
2025-08-12 13:15:11
The DAC worked without any problems and added a better fidelity to the overall sound from my built in computer audio.
M. Meyerson
2025-08-11 12:35:32
For some reason my computer's motherboard stopped outputting sound to my speakers, I tried troubleshooting with no luck, but this was an easy fix.
Frank Poole
2025-07-20 12:25:33
I wanted to connect my Linux box to a digital receiver. This device works great for delivering stereo PCM over S/PDIF, and the built-in Linux audio drivers support it. Coax and optical both work (simultaneously).Various pieces of documentation are split on whether 5.1 output is supported. I can report that mine enumerates configurations for 5.1, and my receiver reports receiving a 5.1 data stream when one of these is active.I tried the analog outputs briefly, and they sound fine to my ear. I haven't listened for DAC quality because I won't be using it that way.The product photos show a "power indicator", but I think that's just a hole to expose bleed-through from the TOSLINK emitter, which seems to be always on, even if you choose a non-digital config. Hey, it works!There are configurations which include "mono microphone", even though none of the documentation mentions such a feature -- I didn't try this, so while the USB sound chip almost certainly supports it, I don't know if it works on this device.The packaging is minimal. There's a tiny booklet written in broken English, and I can't figure out what some of the sentences are even intended to mean. There are (minor) contradictions between the product listing, the tech support answers here, the booklet contents, and the front of the box. Don't buy this if you expect a high quality manual.In software, it reports itself as "C-Media Electronics Inc.", with the C-Media vendor ID. This is a C-Media chip, on a board with a couple connectors, in a little metal box. That's not necessarily bad (or good), but that's all it is.It's a nice (and cheap) little box for bus-powered USB to stereo S/PDIF. For 5.1, you may want to use HDMI audio to avoid compression. For analog, you may want a nicer DAC, a hardware volume control, and a full-sized headphone jack. There's really only one use case where I'd choose this device, but for that one use, it works great.UPDATE (2025): This is still going strong, and it does everything it claims to. After having used it for a while, I think the connector layout is not ideal. I would have preferred input (USB) on one side, and output (everything else) on the other, though that might have made it a little bigger. I also would have liked a standard size for modular use, like 1/4" width of a 1U rack. It does easily fit in that space, but with the odd connector placement, and no mounting points, you're on your own. It's not at all a bad device, but I'd call this a missed opportunity. Still, great value, and no issues with normal operation.
Harlan Ives
2025-07-12 13:53:16
Not the finest headphone amp, but at this price, who’s complaining?
E. Hamalainen
2025-07-09 11:02:03
I bought this in order to convert my PS5's USB audio output to optical out. I needed this to connect to my Schiit DAC since it only supports UAC2 while the PS5 is UAC1. Unfortunately, it doesn't really work. It produces sound, but there are drop outs every few seconds that make it completely unusable.
WRD
2025-06-13 12:59:18
inexpensive and simple to use, worked right out of the box.
Joshua Rose
2025-05-27 09:08:33
Does what it should, max fidelity is 16bit, 48KHz which is fine for playback, would be nice if it went a bit higher but whatever at this price. There is no such thing as volume control over optical, at least as far back as I can remember so I wouldn't ding it for that. I'm using to send a clean signal to Bose Cinemate II while plugged into an unpowered USB hub and it works great (highly recommend the combo, these systems are cheap used). Will update my review if it breaks.
Mark Davenport
2025-04-20 14:19:26
Only bought this for the optical audio out. This port works, but please familiarize yourself with how to control sample rate and bit depth for the audio outs in your operating system of choice before use. You may need to try several combinations to get sound without distortion/clipping. Also, this device surfaces a software input you’ll want to disable. Never tried the RCA out — if you need that, buy a different adapter.This product also rattles when shaken. I wish it had USB-C instead of USB-B. The metal surface is nice.
Guy Lachance
2025-04-07 17:30:54
I am using this external sound card on Linux Mint 21.2 for sending digital audio from a USB port to my Behringer MS40 amplified speakers via a TOSLINK digital link. Wonderful sound! This unit is versatile : sends output to RCA (analog) or TOSLINK/coaxial (digital). Not too expensive, great buy ! I have briefly tested the analog output (through RCA) and it worked fine although the sound was loud. But that can be adjusted with your operating system.Buy with confidence!
Hal H
2025-03-13 17:19:07
Since my home theater receiver has both Fiber Optic | S/PDIF and Coaxial (single dark yellow cable) connections, I bought this unit so my computer running Daphile could connect to my amp with the highest-possible signal quality. This does the job perfectly, the sound is fantastic compared a lead from the headphone jack to 2 x RCA audio plugs. Great sense of airiness and positioning in the music, really articulate. Strongly recommended.
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2025-02-05 16:18:04
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Azius Hamber
2024-12-16 12:52:25
Uses one Cmedia CM108B audio chip. Should support 44.1/48KHz receive/transmit. Dac is 16 bit. Headphone out port is cheap looking with sound as per with mobile phones. RCA out does not sound good, very thin with no low end at all. This could be because of cheap ports. Works fine as a stand-alone USB to SPDIF converter to feed powered speakers, sounds better than analog feed from mobile or laptop.
Troy Henry
2024-12-13 10:27:20
I bought this to increase the sound in my headphones because I'm deaf in one ear and it really helped to increase the sound of peoples voices. I work for a call center and had trouble hearing people. My only problem I have is that it has a built in sound card and it has a mic in the chip why not add a mic input. Other than that this thing is great.
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