FosiaudioReviews of fosiaudio.com

Garbage cheap light digital garbage with a high pitch wining noise. They were supposed to refund shipping which I still never received. I had to do a charge back with my CC company to get any refund. AVOID.

No cumplió. Anunció un equipo con entrega inmediata desde Alemania,en el mes de Febrero Le envié el dinero por un amplificador de sonido en Aliexpress. Subio el precio 15€ por encima. No envió comunicado alguno. Aviso de que esta empresa seguramente no cumpla con otros clientes.

Got my ZD3 recently and love it! The sound via the DAC compared to my previous 3.5mm jack is unreal. Love listening to music, drum and bass in particular and my partner has also noticed how much better it sounds. I set the ZD3 up and by coincidence an issue with my Klipsch stereo appeared at the same time. Nothing to do with the ZD3 (confirmed now!). Fosi Support were magnificent. Several days of help with drivers and firmware while I was convinced the issue was not with the stereo. Long story short Fosi team went above and beyond to assist and after days of assistance I figured out the Klipsch system was the issue after all. I cannot understate how good the Fosi team were and how far they went to help. Totally gold star stuff.

I have recently started purchasing FOSI audio gear for my new house which has a dedicated music room and I wanted to add to the Aesthetics. My kit included Krix Harmonix speakers, Paradigm subwoofer various amplifiers, CD players and streaming devices. No issues with sound quality, just big cumbersome and ugly. I had seen plenty of reviews and based on specifications and some video reviews I decided to dip my toes in the water. I started with ordering 2 x V3 mono blocks but inadvertently ordered 4. To this original order I added 2 x visualisers, 1 x P4 pre amplifier 1 x Zd3 DAC and 1 x Small Audio Rack with the 2 Cooling Fans and plenty of their cables. WOW Big clean and crisp sounds from the moment the components came out of the boxes. I was impressed to say that the smart reviewers had got it right performance, quality and Aesthetics in small firm factor and for superb pricing. 50-100 hours later of referencing my go to audio tracks on Cd, streaming services and my networked lossless audio collection from the QNAP on the network. I was overly impressed by the results. My only decision was that I should have purchased the ZP3 based on the balanced outputs and nowhere could I plug in and test my vast array of headphones. So I decided to contact the support team as I was frustrated that the products could be purchased from multiple sites, varying prices good discounts, shipping costs from overseas from some suppliers and it was annoying to say the least. Summer from the support team was prompt and efficient and we were able to work out a plan and I couldn’ be happier. Such a knowledgabke team member who made this process of upgrading and her recommendations in relation to future proofing my system and allowing for further growth. Adding to my collection, we arranged to purchase the SW10 subwoofer, the ZP3 pre amp the ZH3 the BOXX5 phono preamp ( in anticipation for the release of the turntable later this year). I added the another Audio rack, 2 more visualisrs, and the 2 visualiser the DS3 portable DAC , the IM4’s in ear monitors and the Jewel in the crown, yes another pair of headphones the I5 open back Headphones. All that is missing from the media room is tfe CD player due out later this year. Products arrived promptly within a week in 3 Seperate parcels all well packaged, no damage and track and trace capabilities on all. So I reconfigured the setup and then in the new office I setup the other V3 mono blocks the P4 a Rotel RDD06 DAC and a reference quality Sony CD player. Now I love the Krix Speakers but the whole world changed upon connecting the I5 Open back headphones. Putting them through their paces 9 hours slipped by and I couldn’t fathom how the combination of source to DAC to preamp to headphones could deliver such amazing results across multiple genres of music. Nothing ventured nothing gained, do yourself a favour and if you are considering some new audio products thst won’t break the bank but will provide endless hours of pure joy listening to your favourite tracks then you seriously can’t go past FOSI and the dynamic range of products. Unsure about your wants vs your needs, then contact Summer as her courtesy and knowledge will steer you on the right path, Regards Shayne

My experience with Fosi Audio’s customer support has been very positive. I explained the issue with my V3 Mono amplifiers and provided photos and videos. Their support team quickly identified that the problem was caused by the splitter used to power two V3 Monos with a single 48V power supply, and they immediately sent me a replacement. Everything is now working perfectly. Thank you, Fosi — your amplifiers are absolute beasts!

Over the years, I have purchased eleven various FOSI Audio products. When the front-panel display on my 5-year-old DA2120A faded some of the segments, I contacted FOSI technical support and they were able to provide me with a new display board for a little more than the cost of shipping which, for me, was easy to replace. Recently, I needed some help with mt FOSI LC30 VU Meter, and again, the company came through in a series of emails that connected me to one of their engineers, and they helped me diagnose and fix an issue that was unique to my setup and not really a device failure. Yet, they were more than willing to try and accommodate my unique application. During the last holiday sale, I bought the ZD3 DAC & Pre-Amp and a ZA3 Amplifier combination which I have set up as the music system in my Family Room. I believe that it is an unbeatable combination at its very reasonable cost that delivers plenty of clean, powerful sound and a convenient subwoofer output for an excellent sounding 2.1 system. Overall, I have been very satisfied with the FOSI Audio products I have purchased and with the after-sales service FOSI has provided. As they evolve into designing more sophisticated products to appeal to budget audiophiles, I find that their newest offerings represent an unbeatable combination of price and performance. Their Class-D power amplifiers use proven brand-name components packaged into modern stylish enclosures to provide excellent value and clean, room filling sound. I have a dedicated listening room with sophisticated electronics and higher-end speakers and find when I substitute the FOSI ZD3/ZA3 combination for my current electronics, the sound is remarkably good, but a bit “clinical”. But, FOSI has anticipated that not every application of room and speaker will be perfectly matched, so they offer a very simple option of replacing the current op-amps with custom designed Sparkos or Burson alternatives to tailor and refine the output of their ZD3, much like the practice of “tube rolling” could fine tune output of older tube equipment. I believe that this evidences a level of customer focus that is rare in the audio industry at any price, let alone the very reasonable cost of FOSI’s products.

Very good product and unexpected sound quality and excellent support team

Sad to say, the Fosi P2 made my PC audio far worse than before, for whatever reason (I tried everything recommended on forums, different input/outputs and cables etc). Got no response from customer services so am returning the item to Amazon for a full refund. Waste of time and money.