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Simple yet Powerful Mini Amp
Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.
- MAX Power Output: 100W x 2
- Terminating Impedance: 2 Ohm - 8 Ohm
- THD ≤ 0.04%, SNR ≥ 98dB
- Power Adapter: 24V/4.5A, DC Input Range: 12-24V
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A No-Frills Amp
100 watt per channel power output can drive most home passive speakers to create astonishing sound.
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With a Nice Consistent Resistance
Fine-tune your sound with the smooth bass and treble adjustment for optimal speaker performance.
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Bluetooth Amplifier for Speakers
Instant setup with phones, tablets, and almost any other Bluetooth-enabled devices.
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Crystal-Clear Hi-Fi Audio
Exceptional clarity at high volumes, with <0.04% distortion.
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Power the Pair of Indoor/ Outdoor Speakers
Paired with your audio device over Bluetooth or RCA cable, you will get a rich and clear sound.
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Advanced Circuitry Architecture
The Texas Instruments TPA3116D2 Chip presents music with rousing highs and deep lows.
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Safe DC Outlet
Input: Bluetooth and RCA; Output: Passive Speakers
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Customer
Reviewed in the United States on March 7, 2025
Been using this for about a year now and continues to work great. Speaker cable got loose at the back and lead me to believe it was dying. Not the case, tightened it up and it still works just fine. Audio quality is actually really good paired with Fluance Studio Monitors. Bluetooth has been nothing but reliable. Seeing some cheaper options on the market now like Pyle. Will likely try that one next even though this performs well.
shadax
Reviewed in the United States on January 14, 2025
As an person who’s used to high-end tube amps and large receivers, I wasn’t expecting much from such a small, affordable amp.No, it’s not going to replace your multi thousand $$$ boutique amp for critical audiophile listening or bragging rights, but for 99% of the population or normal TV, movie, game and music listening it’s awesome.I loved it so much that I ended up buying a second one.This little powerhouse easily drives my JBLs and KEF LS50 speakers to impressive volume levels with crystal-clear clarity. It’s perfect for my living room TV setup.The Bluetooth feature works flawlessly. I also appreciate that it comes with a remote. For the price, this amp is a steal. If you’re looking for a compact, budget-friendly amp that still delivers excellent performance, I highly recommend it!
Jivarito
Reviewed in France on August 15, 2024
Je suis très impressionné par la qualité de ce produit. L'ampli ne produit quasiment pas de souffle. Il ne chauffe pas (c'est la magie de la technologie "classe D"). Il est petit, compact, facile à brancher, simple et très bien conçu. Largement meilleur que nos amplis d'autrefois (de "classe AB") dits "HiFi", qu'on aura pu acheter dans les années 1970 à 2000. Le prix est très modeste. Rapport qualité/prix exceptionnel.
Magnus Hansson
Reviewed in Sweden on May 16, 2024
Orkade utan problem driva mina högtalare ute på altanen.Kanon!Bluetooth och line-in fungerade perfekt.
marex77
Reviewed in India on March 25, 2024
I have been using this amplifier for a month now. It is working without any issues. The build quality of the amp as well as the adapter is very good. Looks tiny besides my old amp.My Old amp stopped working so am using this amplifier as an temporary alternative to power a set of Solidaire SS100 bookshelf speakers with a 12-inch woofer, a 4-inch midrange, and a 1-inch horn tweeter with impedance of 8 Ohms.Bluetooth range is also good. Comparable to my existing Logitech Bluetooth adapters.I have noticed it does not get warm on long usage when listening at acceptable volumes at home.The audio quality is flat and commendable in the Fosi amp, but I seem to miss the warmth my old Solidaire AS1200D amp provided. So, I tend to boost the lows and mids from the equalizer to get the desired effects.My decision on buying this over Aimyia amp was swayed because FOSI provide a warranty on their product, but Aimyia brand amps have no such mention in their listings.
Trailbreaker
Reviewed in the United States on December 12, 2024
Simple to hook to my bookshelfs (Wharfedale Diamonds) and Cambridge CD player. Amp is little; about the size of two packs of cigs. Excellent fit and finish. Doesn't have the punch of a 40 lb amp but presents the music very nicely. 25% volume is plenty for me; 33% is about max in the family room I have it set up in. Excels on simple music like Japanese flute, cello, guitar, vocals; gets a bit congested on hard rock and similar but I bought it for the former not the latter, and my bookshelfs do best with the same. Bluetooth connected instantly and sounds superb. I'm very pleased with this purchase.
Alessandro
Reviewed in Italy on November 21, 2024
Sarà che va a pilotare delle polk xt15 ma l'amp conterà pure qualcosa nella qualità e per quanto è costato ha cambiato totalmente la prospettiva e le modalità di ascolto, potenza e qualità ad un prezzo accessibilissimo. Se come me siete entrati da poco nel mondo hi-fi non credo ci sia scelta migliore per iniziare.
tazhatewater
Reviewed in the United States on September 2, 2022
i got this to replace the final stage on the sony amp that blew it's left side. the sony still works as a preamp and switcher for the turntable, tv and music streamer i have so i didn't have to redo a lot of wiring. all i had to do was run a line from the tape-out on the amp and move the speaker wires to this little guy. all my controls and remotes stayed the same. nice bonus is i now also have bluetooth. it's not as powerful as my original amp and you can't drive it as hard; ive a feeling if you do, something will blow as the components are rather small. it happened on another, similarly built amp. the sound quality is adequate, esp in this age of earbuds. my wife doesn't notice but i can definately tell there is a midrange bias, even with the tone controls. still, it's good for it's size.one thing i really like is the bluetooth addition. the sound quality is good and there is very little spurious noise. it is a preferential connection so it will override anything coming in from the AUX inputs. i wish there was a button to switch but as is, just turning off the bluetooth on your phone will cause it to automatically switch back.overall, it's a good little unit. i wish it were closer to a $60 price point but build quality seems good and sound quality overall is great for this little guy. i'll probably buy another one to use as a portable outdoor entertainment like another reviewer did.
Jamax
Reviewed in the United States on August 11, 2022
It's great for what it is, one wired input, one wired stereo output and bluetooth.You don't need banana connectors, but the connectors are very close together so they are much easier than raw speaker wire.I picked this version because it switches over to bluetooth automatically and then back to RCA input when disconnected, so it's wired to my computer most of the time but I can also easily play audio from my phone. The bluetooth PIN 0000 can't be changed so anybody in pairing range can use the speakers unless you leave a device connected, but if you leave bluetooth connected you can't use the wired input. So if you live near pranksters you might have to unscrew the bluetooth antenna. There's a quiet click from the unit itself (not over audio) when it switches between bluetooth and wired.The sound quality seems fine. There's some very quiet white noise hiss that may be from my other electronics or may be the amp, but I can't hear it even a foot away from the speaker so I'm not even going to investigate. When connected, bluetooth has some minor pulsing noises that must be from the amp, but it's quiet enough I doubt anyone could notice unless the room is silent and you're close to the speakers.Kill-A-Watt said ~2 watts idle and I've never had it get more than ever so slightly warm at normal listening levels.
digi
Reviewed in Australia on July 5, 2021
I had a pair of unused B&W speakers sitting in the cupboard and I was looking for a way to bring them back to life. So I saw the Fosi got good reviews and it was cheap so worth the gamble.Its amazing how small this Amp is. It's so small the Power Supply is about the same size. Crazy!The Bluetooth connectivity is excellent, quick and easy. Really impressed with how well it works, since I have had some BT devices in the past that were a bit cranky about connecting.The Bass and Treble controls are nice to haves, although need to be used with moderation.I normally use NAD and Rotel amps with my audio gear and next to those, this sounds pretty good. Definitely a great first amp for someone who wants to power some moderately sized bookshelf speakers.
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