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USB DAC Born for Gaming
Fosi Audio K5 Pro Stereo Gaming DAC Headphone Amplifier
The K5 Pro has a high-performance audio circuit designed by the Fosi Audio innovation product R&D team, allowing you to take advantage of digital audio with USB C/optical/coaxial inputs, convenient for connecting various digital interfactes, compatible with PS5/Computers/Nintendo Switch, etc.
the upgraded version of Fosi Audio Q4
Fosi Audio USB DAC Headphone Amp Combo
- Input: USB-C/OPT/COA/3.5MM Microphone; Output: RCA/3.5mm Headphone
- USB C/OPT/COASampling Rate: up to 24bit/192 kHz;
- Output power: 1000mw@16Ω, 500mw@32Ω, 300mw@64Ω, 150mw@128Ω, 80mw@300Ω;
- THD: <0.003%; S/N: >110db; Frequency response: 20Hz-20kHz
- Recommended headphone impedance: 16-300Ω
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practical and usefull
NEW DAC Headphone Amp
RCA output can be connected to an amplifier or powered speakers on your desktop.
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outstanding performance
Exclusive Design with Independent Mic Input
Converts USB Type C/Optical/Coaxial signals to 3.5MM AUX and RCA signals with low distortio
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rich and delicate sound
Gaming Starts Here
Enjoy the realistic auditory experience in every detail
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elegant grey exterior
Desktop DAC and Headphone Amplifier
The knobs are high quality and turn very smoothly, they’re quite enjoyable to use.
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works with PS5 USB audio
Mini Stereo Gaming DAC
Great Value Headphone AMP/DAC with Bass/Treble Control
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easy to install
Plug-n play, No Deriver Needed
If you have RCA speakers and want to connect them to computer, get this device!
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RCA ouput
Great sound quality
Next-generation DAC for unrivalled performance, make your music sound great at home on your desk.
Toronto Creator
Reviewed in Canada on March 15, 2025
Excellent sound in a compact device. The only thing that I don't like is the overly bright blue LED which casts a shadow.
jazzdv
Reviewed in France on March 12, 2025
Très bon produit - aspect et qualité de la matière irréprochables - fournit avec une connectique complète : câble optique, câble USB A/C to USB-C + un câble dont l'utilisation m'est inconnue (la notice est en anglais et en chinois). Connecté à mon téléviseur via la sortie optique, il délivre un signal que j'aurais souhaité plus puissant mais selon le rendement des différents casques que j'utilise, on obtient quelque chose de tout à fait honorable. Les potentiomètres sont très agréables à manipuler, avec un repère en position neutre pour la tonalité.
Kyle
Reviewed in the United States on March 12, 2025
This thing is amazing. It's a DAC/AMP all in one. It's sleek, feels very well made, and the audio coming out of it is amazing for my new FiiO FT1's I'm using. I've paired the FiiO FT1's with a ModMic 3.5mm version.I thought the headphones at first were really, really nice. Massive upgrade in sound quality from the Steel Series Arctis 7 Wireless. But I was experiencing a volume limit with my mobo powering the FT1's. When I plugged in the amp for the first time --- which is SUPER easy if your PC has a USB-C port. All power/audio goes through the USB-C port, so from the backside, all you need to plug in is the Fosi Audio DAC/AMP USB-C into amp, then into your PC. No drivers are needed, it's literally plug and play.Man-oh-man, when I powered it on for the first time it was like experiencing nothing I've ever experienced in life before. It's made me an audiophile of sorts now. I can never go back. The sound quality paired with the FiiO FT1's is incredible. The fact you can change bass/treb on the fly is amazing. I would've loved one more knob for mids, but honestly, the knobs are very well built. The Bass/Treb have a detent in the middle, so if you are in low light, it's very easy to find where you are on the EQ.I was able to route the USB-C cord around my PC, so now this little Fosi K5 pro sits neatly right next to me, within reaching distance, and the entire experience is fluid.If you have some true HiFi headphones, and you are powering them via your mobo, I get it, you're getting a great experience. For $80 this thing transforms the experience. Video games feel like movies. You can power them to higher volumes, you can tweak Bass/Treble on the fly, and this thing is built solidly.When I plugged it in, I raved to my friend who has Beredynamics 770's.... he caved and bought a Fosi Audio K5 as well. He thanked me for weeks. The audio coming out of this thing into some quality headphones is nothing like I've ever experienced. Everything else -- car audio, audio via my laptop to some crap headphones --- none of it compares. It will change your listening experience 1000%.Would recommend this to anyone.
pedro
Reviewed in Spain on February 6, 2025
Espectacular lo de este DAC!! Totalmente recomendable.Alguien sabría decirme si puedo conectar la salida RCA a un amoli para estéreo y la salida de auriculares a otro ampli distinto y reproducir en ambos equipos a la vez?
Jody gallant
Reviewed in Canada on February 25, 2025
Let me start off by saying i am almost fully deaf and wear 2 hearing aids so its vary hard to buy headphones for me because they simply dont have enough volume for me to use them this dac is amazing simple yet powerful has great sound and loud almost too loud for me and im a deaf guy. The dac is vary good quality the build quality is great the packaging is good the product is just great grab one trust me you will love it i have 2 myself the price on these is vary good too just a great product
Attila Balázs
Reviewed in the Netherlands on November 20, 2024
It drives a bayerdynamic 990pro headset. This is what amazon recommended for the headphones.These headphones are 250 ohms, so they need more power, but they don't meet my expectations. The volume is just right, but the bass, treble and volume are all set to maximum. And even so, it would be nice if he had more power!Tested with a JBL headphone with fewer ohms, it drives normally.It was a good buy for me until I had a bigger amplifier. In the end, I am satisfied with the product.
Devan Palmer
Reviewed in Canada on July 16, 2023
The dac/amp is around the quality of a typical mid-high end motherboard. Overall good but will get beaten by the majority of dac/amps on the market, though this is pretty cheap for what you get.Pros:- One of the cheapest proper dac/amps- Sounds good. No glaring audio problems- Small but not to a fault- EQ + volume controls, which not all dac/amps at this price haveCons:- Hissing noise at 75%+ volume- Had to use USB since optical has popping noises whenever audio starts/stops- On USB there are rare popping noises but that can be reduced by turning up windows audio and the dac down- Audio is definitely light on bass and slightly on treble so you either have to accept that or use EQ (not ideal)- If you use it via usb, you need to always have it powered (can configure this in most BIOS) or it'll need to be manually turned on- LED on the front is a flashbang in dark environments but you can cover it with electrical tapeTLDR; good for the money, but I would recommend spending more if you can. This competes with $150 dac/amps but will get wiped by most around $300. If you can spend more, you will in fact get more. This is for people who want a decent dac/amp and don't want to break the bank.Edit: popping noise is quite annoying. I'm dropping this from 4 to 3. It's cheap and does what it says but it's quite terrible honestly
Olivier
Reviewed in Belgium on December 14, 2023
Livraison rapide. Facile à installer. Fonctionne bien. A voir à l'usage. Paraît solide. Peu encombrant. Câble usbc fourni avec et cable toslink aussi +adaptateur casque micro.
Kyle Marriott
Reviewed in Canada on December 30, 2022
Purchased this audio DAC because i was excited to see that FOSI AUDIO had just come out with a DAC that included headphone microphone input. I was an early adopter of this product and actually paid a premium price through amazon USA, shipped to Canada. I knew the similar FOSI Q4 had an excellent reputation for sound quality but unfortunately did not suit me because of the lack of microphone input.In come the FOSI AUDIO K5 MINI PRO.. I had to give this DAC a try. As soon as you handle this product you know you are getting a quality piece of equipment. Setup is easy, all you do is plug it into your computers USB port. No driver install, just tell your computer to play the audio from the device in your sound setup. Even comes with a dongle to allow for a combined audio/mic headphone set to plug into the separate jacks on the device.Audio quality - 10/10 excellent and an absolute steal for the asking price that I am now seeing on amazon as of DEC 29/2022Microphone quality - 10/10 If you online game your friends are going to think you have a very fancy microphone with this DACs ability to amplify the microphone input. It can be almost too clear and loud on some headsets but this can be adjusted in the windows input microphone level settings and turned down.I did need to get support from FOSI and they immediately and quickly helped me with my advanced technical question and had my device working well with all my equipment. (I use quite a few different headphones w/mics and had an issue with one of them which FOSI solved)This K5 MINI PRO is on par with some of the very expensive DACS out there.There is only two features I wish that FOSI would add. Some sort of "go to sleep mode" and "auto wakeup on sensing sound" to have this unit automatically turn off after say 30min of inactivity and wake itself when needed. The other would be a volume adjuster for the microphone input. These are just wishes to make an already excellent product even better.You will not be disappointed with this product.
cac2222
Reviewed in Canada on November 24, 2022
I wanted to buy this device for some time and the previous version was discontinued, so as soon as I saw this new version I bought it.I already have a SoundBlaster X4 (twice the price) so I will compare to it.Pros (K5):-Plug and Play, no bloatware whatsoever. Windows driver kicked in immediately.-No issue recognizing mic and audio, works right out of the box.-Quality materials, nice metallic enclosure (aluminum i think).-easy ability to modify bass and treble with physical buttons, no need to dig in software.-easy change of inputs by short pressing on/off button.-Price.-Input USB/Optical/Coaxial: I have no use for coax, but optical can bring straight from PC optical, but to me USB input/output is best.-RCA output: old technology, but so versatile, so a plus in my book.-Size: small enough to travel with, which I wouldn't do with X4. (Great companion for laptop).Cons (K5):-the large volume/bass/treble buttons are spaced too close together making it hard to operate without interfering with other button. Smaller buttons would offer better maneuverability (I am nit picking here).-Not as powerful as SoundBlaster X4, but it's half the price, so that maybe 10% less power is still a great value. It does drive by Sennheiser/Drop HD6XX 300 Ohms just fine.-Sound quality: Not as rich as I get on X4, but it is still 90% there, for half the price, so not the best, but for the price, more than acceptable.Other element: The same day I installed, I had two BSOD (Clock_Watchdog_Timeout) on Windows 10 Pro ver 21H1, so it could be related, but for whatever reason, I had to install QuickTime (Apple) and Bonjour Service the day before, so it could be one or the other as those the only changes I did to my PC. I removed (using Revo Pro) Quick Time and Bonjour and haven't had any issues for 2 days and left my PC on since then. So it looks as was not K5 Pro, but I will update if get more BSOD.
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