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Description:
About this item:
Specification:
Input: USB/Optical/Coaxial
Output level:2.0Vrms
THD+N:0.00013%(-117dB)
Dynamic range:121dB
SNR:121dB
USB transmission:Asynchronous transmission
USB compatibility: Windows 7/8/8.1/10 /11 Mac 0S X10.6 above、Linux
Bit depth:
USB:1Bit-32Bit
Optical/coaxial:6Bit-24Bit
Sampling rate: USB PCM 44.1KHz-768KHz/DSD 2.8224-22.5792MHz
MQA:384kHz
Power consumption Standby power Size: 96 x 27 x 78mm (WxHxD)
Weight:195g/0.43lbs
Review:
4.8 out of 5
95.00% of customers are satisfied
5.0 out of 5 stars Almost the perfect DAC, small problem with XMOS USB controller >> (Edited Dec. 2024)
Generally flawless DAC although I find I need some bass EQ compared to other converters. So silent and with such high resolution that digital volume control can be used with absolutely zero subjective loss in quality.The issue with the XMOS USB controller is that it goes into a standby mode after 5 seconds of no signal, apparently a default intended for when the chip is used in dongles for mobile devices (i.e. phones) to save a watt or so of power draw (silly for desktop and general hifi applications), and when it 'wakes up' it misses the first half second or so of playback which can get REALLY annoying if you're browsing files.It can be fixed in Windows by installing an XMOS USB driver from the SMSL website (the DAC is otherwise plug-and-play with the default, fairly recent Windows driver), but you then have to edit an XML configuration file to enable "Always On" as an option in its control panel (it's fixed to "On When Needed" otherwise).Search for "XMOS driver settings for no cutoff/delay" on the Audio Science Review forum.*** Edit Dec. 2024 *** the latest XMOS driver from SMSL's site (released in the last month or two) now defaults to making 'Always On' available in the control panel (it might even be the default, I can't remember if I had to change it ), so my criticism above no longer applies
5.0 out of 5 stars An amazing piece of audio gear for the price (and size!)
This is a decoder (DAC) and pre-amp, of the best audio quality. Actually, it's astonishing. Technically there are better DACs, but you can probably only measure the difference with professional equipment. Audio Science Review concludes "SMSL cuts the functionality to the minimum many need, to have high quality conversion of digital to analog for multiple inputs. Performance is superb for the cost, as it provides full transparency to the source. It proves that performance requires great engineering skill, and not a ton of money. A lesson that I hope one day high-end audio companies and their customers appreciate."I have it linked to a Pi2Aes (re-clocker linked to a Pi NAS music server) for my digital music catalogue and Web Radio, including MQA tracks.There's no volume control, which I rather miss, but that is available from the next stage (amp), so it outputs a good 2v. I'd prefer balanced inputs/outputs, but with this performance, who cares?This replaced a much larger DAC with multiple inputs, with greater functionality and lower cost. Did I mention how small it was? Astonishing.
5.0 out of 5 stars Brilliant DAC for the money.
Bought this DAC on a friends recommendation and the fact that it had a very favourable review on the Audio Science Review internet forum having achieved test results as good as DACs ten times the price. My comparison relates to the sound from the DAC in my recentlyowned Bluesound Node 2i streamer, differences between DACs are usually very subtle but in this case there was a noticeable improvement with the SU-1, improved clarity and better focus of the stereo image and more solid bass. Only thing which would have made it better would have been to have 2 optical inputs rather than 1 optical and 1 coaxial input which necessitated me buying an optical switcher (see my other review of that). For the money this DAC is an absolute steal as well as visually complimenting my Arylic S10+ streamer as shown in the photo.5* buy.
5.0 out of 5 stars Truly excellent sound and handles MQA (whatever that is!).
Very small. I added a good quality power supply. I have a blue sound node 2i via this dac into naim amplifier. The dac replaces my previous teac ud501 which was meant to be extremely good but this little dac wipes the floor with it. Bass and mid range are excellent but there is just a slight roll off of high frequencies but it’s only slight.
4.0 out of 5 stars discreet, cheap dac, sounds very good
discreet, cheap dac; sounds very good, pretty transparent. I'm using it between cd player transport and pre amp. Functionally simple, neat design. My only worry is: what happens if this goes wrong? Do I attempt contacting the Chinese seller, would they accept a return if faulty? Anyway, not an issue .. as yet.
5.0 out of 5 stars Unbelievable little DAC!
Honestly cannot believe how good this sounds. I use it for Spotify on my smart TV, paired with an Audiolab 8200A feeding Quad 22L2 speakers and it has totally changed the sound (for the better) of my setup. Note that I've used DACs up to £350 with this setup and this little thing sounds by far the best of any I've tried! Worth every penny.
3.0 out of 5 stars Disappointing DAC
Very inexpensive stand-alone DAC (£79) but has had rave reviews. Simple no-fuss design with just an single power/input selector (optical/coax/usb) button. The unit is incredibly small and gets its power through USB-C connection, so needs an additional 5V phone charger, if you're not using the USB to connect to a computer. Despite the positive reviews, I was disappointed by this device. Compared with the sound from my AV receiver's onboard DAC it had lower noise and amazing clarity, pinpointing instruments or voices precisely within the stereo image. However, for me the sound lacked genuine timbral accuracy, so voices, though reproduced with ununusual purity, had an unnatural thinness and a lack of richness, warmth and fullness to the sound. Likewise for piano, which had an artificial hollowness to the sound despite a fullsome bass. All instruments were bathed in a superficially attractive but synthetic and unvarying reverberent acoustic, which added to a slightly processed feeling to the sound. Don't get me wrong, these effect are subtle and for many listeners may be unimportant, but for me it was a dealbreaker and I had to return the unit for a refund, which Bolo processed with remarkable alacrity.
Mejora la calidad de audio del integrado de tu pc.
Me gusto en primer lugar que llego en el tiempo acordado por Bolo.Me encanto la calidad de construcción de este es metalico , probalemente sea aluminio muy bien trabajado , no cuenta con control remoto pero el boton para seleccionar la entrada se siente de muy buena calidad.Cuenta con entrada óptica , coaxial, y USB. La mejor calidad que he podido tener es por medio de USB a mi computadora. Ya que por la entrada óptica mi pc tal vez no sea capaz de enviar 192 khz 24 bit y mucho menos 398 y 768. Este dac por medio de USB 3.0 soporta 384 khz 32 bits y 768 khz 32 bits por medio de usb tipo c. Es una mejora notable en la música cuando lo usas con TIDAL y reproduces Archivos MQA, VS Alac de Apple y Flac simplemente mejora la calidad de audio. Lo probe con un Sony Genezi MHC-GN800 si tienes mejores altavoces notaras aún más la diferencia.Prefiero usarlo por USB directo a mi computadora tiene compatibilidad de todas las formas y excelente calidad de audio.
Broke after 10 days of use, but now fixed
Update: March 13, 2024 (previously 1 star rating, now I give it 5 star rating).After several exchange of messages between Leaudio seller and myself, it was suggested that I install SMSL SU-1 driver from smsl-audio.com official website, which I did. To my surprise that fixed my DAC! Now I am finally able listen to music from my PC sent to SU-1 by USB cable, which is connected to my SMSL A300 by RCA. It seems the driver installation to my Windows 10 fixed whatever issue I was having with SU-1 DAC. As result of this, I'm updating the previous 1-star rating to 5 stars. As for the sound quality from SU-1, as stated below, it's an improvement over my SMSL A300 amplifier by 15 - 20%, but more specifically, it is the sonic clarity and separation that are the most notable. Though a minimal audio improvement over my amplifier's internal DAC, the sound clarity and instrument separation are noteworthy, and for that I give a 5-star rating. Also, through this DAC, vocals seem to be slightly more forward and clearer.March 6, 2023, initial review, I gave it 1 star rating due to the DAC's failure after 10 days of use.Bought this SMSL SU-1 DAC in November 2023, but I couldn't use it since I didn't have a pair of RCA cables to connect it to my class D SMSL A300 amplifier that I purchased from Bolo at the same time. The DAC was on Black Friday sale, so I figured to try it with my new amplifier.Fast forward to Feb 2024, I finally ordered a pair of CESS 163-4i RCA cables, connected the DAC to my amplifier. The SMSL SU-1 DAC improved the quality by about 15% over my SMSL A300 internal DAC. I used the DAC on and off for about 10 days, then today it simply failed on me. It simply fell dead silent while playing a music file from my PC (PC to USB cable to SMSL SU-1 DAC to RCA cables to SMSL A300 amplifier).I tried another RCA port in the back of my SMSL A300 amplifier, but that too didn't work. The DAC simply does not work at all. I also tried powering down my amp completely, unplug RCA cables between the DAC and the amp, then powered both up again, and toggled between various input options in the DAC to no avail (USB, coaxile, and optical just in case the internal circuit's connectivity had glitched and that toggling among input sources might reset it).The source-light LED still functions on the DAC, but I get absolutely no audio signal going into my amplifier. Heck, I even rebooted my PC just to see if that may be causing an issue, but it was futile. After 2 hours of wrestling with the connections and toggling between input sources and settings, I gave up.Now I'm back to connecting my PC directly to my SMSL A300 amplifier by USB cable, which works fine. As far as SMSL SU-1 DAC is concerned, it was a decent DAC for the price (while it worked). However, the unit I got simply failed after about 10 days of usage.I'd instantly return it for a refund, but the Jan 31 deadline return date is closed, so sadly it's not an option for me. A good-sounding, affordable DAC with a high quality DAC chip, but in my case, I must have received a lemon, so quality control seems questionable. Maybe it's just bad luck on my part, but I still wouldn't recommend this DAC to anyone. You'd be better off to spend a bit more money on a high quality DAC with its own power supply built in.Update On March 11, 2024 I emailed with photo attachments of the failed SMSL SU-1 DAC to support@shenzhenaudio.com. According to their site, they'll honor their product warranty up to 6 months with either a repair, replacement, or refund if their product proves to be defective. Hopefully they'll reply in a timely manner with a resolution. As others may encounter a product failure after the Bolo's 30-day free return policy, I'll post further updates for reference.Update, March 11, 2024, 8 hours later, shenzhenaudio.com support staff replied my to my email, asked for the Bolo purchase invoice and order number. I forwarded them the necessary information.According to their reply, they'll forward my case to their Bolo Support Team. I hope this will be resolved asap as I'll need to either get a replacement DAC or get a refund and buy another DAC, so for now I'm stuck in a limbo with 70 bucks tied up in a failed DAC unit. For now I'm stuck to using the internal DAC of my SMSL A300 amplifier, which is quite ok, but I did like the somewhat improved audio fidelity of SMSL SU-1 DAC.Update March 12, 2024. Got a reply from Leaudio requesting detailed info on what's wrong with my SMSL SU-1 DAC. I forwarded an account of how it simply stopped working while playing music from my laptop connected to it by a USB. Also forwarded 3 photos of the DAC. Hope this matter will be dealt with either a refund, replacement, or repair soon, because at this point, the DAC is useless.
Great mighty dac
Built quality is very good full aluminum casing and RCA out are gold plated. Yes it comes only with a USB C cable. No surprise it doesn’t comes with a USB power adaptor. At this price don’t expect it please. I paired mine with a linear power supply Topping P50 5V 1A plugged with an Audioquest NRGZ3 power cable to get the performance of this dac. It would be better with a 5V 2.5A linear power supply to getter better dynamics. I only use the optical & coaxial and will NEVER use the USB as input because of PC that will always generate noise. The sound quality from both optical & coaxial are very airy and has layers. You can pinpoint the singer in the middle of the two speakers. It doesn’t play ONLY in the middle but it images the true source of vocal and images the right location of the singer. That’s the beauty of this dac is it’s depth that it provides and takes it to another level. I was very surprised with it. Mid performance is great. Soundstage is very wide. Bass performance is really good not shallow and dry. At this price point you’ll fool your audio enthusiast friends. I could not believe my ears when I first plugged it to my main system and it is here to stay. Give it some time to settle Never switch it off. My conclusion is if you intend to use it with a cheap power supply you won’t get the best out of it. Get at least a linear power supply 5v 2.5A to unleash the full dynamics of this dac. At this price point and the overall performance this dac just sets the bar very high!
Świetny DAC, idealny do Wiim Mini
Działa idealnie z Wiim Mini
transparent
Ce DAC branché de mon PC (USB) à un ampli casque Topping (RCA), est irréprochable: le son est lisse sans bruit électronique parasite, et jamais de plantage. Il ne chauffe pas, ne s'éteint pas aléatoirement.J'utilise le panneau de contrôle XMOS USB DAC Driver pour la gestion asio sur windows 11.A noter que tous les réglagles de volume, d'échantillonage, d'équaliseur, se font via windows, il n'y a aucun contrôle sur le boîtier hormis le choix de la source et l'allumage qui se font via le même interrupteur.La façade ne présente pas d'écran LCD, seulement des LED pour indiquer la source utilisée.
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S.M.S.L SU-1 MQA MQA-CD Audio Decoder AK4493S XU316 768kHz/32Bit DSD512 Hi-Res DAC
BHD59296
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Product origin: United Kingdom
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