300 wats per channel? (RMS)? not in this universe. Some dubious HiFi manufactures, back in the late '60s, used a rating system of "IPP" (Instantaneous peak power) Which was the momentary highest possible power an amp could deliver before producing more distortion than music, or perhaps exploding (hyperbole). This seems to be the case with most of these Chinese mini amps. That being said, if you can get by with a realistically rated 75 WPC X2 amp this might be a good choice, your cup of tea.Actually, it sounds pretty good especially after installing a pair of Sparkos op amps I had laying around.I'm using it to drive a pair of Yamaha outdoor speakers on our screened porch, replacing a Dayton DAT-120.This little Fosi V3 is defiantly a step up in sound quality. The size is right, the price is right, light on bass, and it works pretty well for a tiny class "D" amp. Did I mention the price?

super little amplifier with reasonable sound ... - it's obviously not high-end but it's small and cheap. I wish it had a remote. Overall very pleased.

Ürün harika,ancak aras kargo çınarcık şubesi ürünü 5 gün şubede bekletti. Ürünü işleme bile almadılar.Bursa şubesinden çıkış yaptı çınarcık şübesi işlem yapma zahmetine bile girmiyor.Ürün teslimat şubesinde ama nerde olduğu belli değil.ürünü 5 gün sonra telefonla teyid edip ürünü kendim almak zorunda kaldım 60km yol yaptım.

Don't believe the 300 watt claims of the manufacturer. (I don't know why they just don't rate the amp with RMS real world specs). Still the Fosi Audio V3 is an excellent amplifier when paired with the optional 48V power supply, although it increases the cost. With the supplied stock power supply, the amp can deliver about 30 watts of real power and with the 48V power supply it can deliver about 80 watts of unadulterated bliss. The sound is clean with absolutely no hiss. You can tailor the sound by easily replacing the socketed OpAmps inside the amp, just make sure you insert them with the proper polarity. OpAmps can range from several to over a hundred dollars for a set. Better OpAMps can give you better depth and a wider sound stage as well as a mellower sound.Remember this is a no frills amplifier with only pair of inputs, it is basically a volume knob and nothing else. But this is perfect when used as a desktop amplifier to drive a pair of desktop speakers. In this mode of operation, you do not need the optional power supply since most desktop speakers are quite efficient and do not need much power.The 48V provides a more heft to the sound with the added power. It can easily deliver enough power to drive most speakers. With either power supply, the amp seems capable of driving even 4-ohm loads without distortion which most modern amps fail to do.Some Pros:* Cheap but great value* Compact size* Very efficient* Swappable OpAmps* High quality components: Elna capacitors, WIMA Output capacitors, Sumida inductors and NCC CapacitorsSome cons:* Fosi used to supply the amp with the copper volume knob as well as the black one but it is now an added option.* The amp goes to sleep rather quickly after the input signal is cut. It takes about six seconds for it to come alive when signal is restored.* There is only one pair of RCA inputs* No Bluetooth capability* No subwoofer output

I tried the ZA3 first. But I was quite disappointed. It lacked detail, control, dynamics and the bass was a bit boomy. I almost send the V3 back without even trying. I'm happy I took the effort to hook them up, because wow! Big difference in my opinion. So much more control, calmness and detail. More composed. I've played them with Dali Spektor 2's and Mission LX-2's. The Spektors match better with their more clear and less warm nature. Very good match.I've also tried the Aiyima A70, Topping PA5 II, Fosi V3 mono. I like the Fosi Mono the most. It has more control and space vs these Stereo V3, but I liked these better than the other ones. The mono's also come with auto triggers. So I you have the budget and space (the mono has big power supplies with them), the mono's are a step up. But at this price this amp is just excellent!I also compared them to an Audiolab 6000A and even though the Audiolab has more finesse, especially in the lows, I really liked the somewhat more punchy character of these Fosi's with a really pleasant intimate treble the Audiolab's lack a bit. They offer a great sense of space and black background. And waaaaay smaller and cheaper. Sure, the Audiolab comes with more options, but If you don't need those .... I think It's a hard bargain to justify the Audiolab, which is a very acclaimed A/B integrated amplifier at 5x the price.Some negatives too though. No 12V trigger. No auto-on/off. It's always on, unless you manually turn It off by rotating the knob all the way back. It consumes 3W continuously. It's not that bad, but still, for me a big reason to go for a different amp. I always forget to turn It off.

He adquirido otros amplificadores FOSI clase D, y no me han decepcionado. En mi caso para cadena de audio que he ideado. Mediando como cerebro un WiiM Ultra. Alimentando de señal a otro amplificador fosi -M01 BT MONO SUB AMPLIFIER-para mover un Dayton Audio BST-300EX, 300 vatios RMS, agitador de graves táctil, impedancia de 4 ohmios, aparte la misma salida DE subwoofer del WiiM ultra alimenta señal para un subwoofer activo Yamaha de 250 watts.A su vez, en esta cadena va conectado un procesador de campos sonoros Yamaha, producto Vintage de excelentes prestaciones.Y para esto , este aparato requiere de 4 a 6 canales de audio, lo tengo a 4 canales con otro amplificador FOSI.EN ESTE PEDIDO : este Amplificador Fosi Audio V3, es Amplificador estéreo de audio para el hogar de 300 vatios x2 de potencia TPA3255 clase D Mini amplificador de altavoz 2 canales. En este caso lo pedí con su Power Adapter 48v/5A. Es un "monstruo" más grande y pesado que el mismo amplificadorMe agrada su aspecto minimalista,con un solo botón para encender (hace "clic") y manejar el volumenY si , lo esperado, se calienta, yo digo lo normal.Escribiré posteriores opiniones según se vayan portando estas pequeñas bestias amplificadoras

Ho acquistato il Fosi Audio V3 con molta curiosità dopo aver provato diversi amplificatori di classe D (tra cui Aijima) sono rimasto colpito sin dal dal primo ascolto. Sono un appassionato hifi da circa 35 anni, utilizzo anche amplificatori Mc Hintosh, ma ero davvero curioso di provare un oggetto così piccolo ed economico un grado di mettere in discussione le convinzioni dell'audiofilo più conservatore. Stiamo parlando infatti di un amplificatore senza fronzoli e colorazioni, con la sola manopola del volume, ma che assolve egregiamente al suo compito: SUONARE BENE! Naturalmente il tutto va inserito in un contesto adeguato che ritengo sia essere un ambiente di piccole o medie dimensioni oppure, come nel mio caso, un sistema audio da PC con monitor. Ho realizzato un impianto con il DAC Topping E50, Fosi Audio V3 e le ottime Cabasse Surf (piccole ma testarde con un efficenza di 85 Db su 8 Ohm) devo dire che sono più chesoddisfatto del risultato ottenuto, testato con diversi generi musicali il suono risulta abbastanza lineare ma non privo di dettagli e dinamica; bassi rotondi e mai invadenti, alti molto dettagliati e puliti, le voci che spiccano per naturalezza. Insomma un piccolo gioiello che sicuramente vale molto più di quello che costa e che ti lascerà a bocca aperta !Riguardo la potenza dichiarata di 300 W per canale va considerata con un alimentatore da 48V 10A per un impedenza di 4 Ohm, nella maggior parte dei casi invece, ovvero con l'alimentatore di serie da 32V 5A, tiriamo fuori una potenza di circa 50-65 W rms per canale su 8 Ohm, una potenza di tutto rispetto soprattutto perchè priva di distorsioni al massimo volume. La manopola del volume ha un controllo di tipo logaritmico, per cui bisogna girare parecchio prima di avere un buon volume di ascolto ma non abbiate paura di farlo; il grosso della potenza è nascosto nella parte finale.Sulla componentistica interna vi rimando ad altre recensioni più dettagliate, ma sicuramente l'ottimo TPA3255 (già presente su Aijima A07 e Fosi Audio BT20A) assieme ai celeberrimi Op amp NE5532 costituiscono ormai un abbinamento collaudato, ma il Fosi Audio V3 si differenza dai suoi rivali per l'utilizzo di una componentistica interna di alta qualità, in particolare condensatori ed induttori Giapponesi e Tedeschi.(potete trovare ulteriori dettagli sul sito ufficiale) e vi assicuro che la differenza con gli altri amplificatori si sente, e si sente davvero bene:)Degno di nota anche l'originale sistema di dissipazione del calore posto al di sotto del chip e collegato a tutto lo chassis; un sistema davvero molto efficiente che difficilmente manderà l'amplificatore in protezione.Molto interessante inoltre la possibilità di sostituire gli Op amp con un altro modello, sul sito Fosi Audio potete trovare alcuni consigli tra cui gli Sparkos SS3602, MUSES02, OPA2604AP, OPA2134PA ecc... (la lista è davvero lunga) facilmente sostituibili perchè gli NE5532 sono montati ad incastro su un adattatore DIP8. Personalmente, preso dall'entusiasmo del nuovo prodotto, sto testando il Fosi AUdio V3 con i nuovi Op amp ORACLE II-02, il risultato è davvero entusiasmante, ne scaturisce un suono non migliore di quello prodotto dagli NE5532, ma sicuramente diverso, più caldo, molto più simile agli amplificatori tradizionali o, se preferite, ad un valvolare. Insomma il Fosi Audio V3 rappresenta davvero un grande balzo in avanti per l'azienza sperando che continui su questa strada; un prodotto chenon ha paragoni nella sua fascia di prezzo e che per come suona vale almeno 5 volte di più.STRACONSIGLIATO !!!

I had been hearing about the release of this amp from various forums and decided to experiment with it with a couple of speakers that I have acquired I’ve the last 6 years I or so. I’m a bargain hunter at heart.On one end, I have a pair of Klipsch LaScala’s from the early 1980’s that I resurrected from the dead. They were in horrible shape and came from a church that used them as their auditorium PA. They are know for their efficiency and usually have synergies with tube amps. On the other end, I have the electrostatic Martin Logan ESL’s, which sound completely different, are very detailed and have a reputation of being challenging to drive, although the newer Martin Logan’s don’t have this problem as much.I have been using a 90 watt per channel tube integrated amp and was really looking for an amp that was much cleaner and imparted less distortion, which a tube amp for the most part is built to do. The tube amp sounds great but it seems to blur the sound a bit, if that makes sense.With the LaScala’s, the V3 power was way more needed to drive them. It didn’t sound harsh or brittle and in fact, was completely quiet with the volume knob maxed. My tube amp imparts a slight hiss at the tweeter that is audible from my sitting position. The V3, checked all the boxes and did everything well. The highs and mids were nice and balanced and the biggest difference was with the low end. I have 2 SVS SB1000 subs and the V3 really provided nice and controlled texture to the bass region, something that was lacking in my tube amp. I won’t go as far as using the magical language to describe the sound that many audiophiles use but as this is a subjective review, what I can say is that the amp did its job and at this price, it really is a no-brainer for people that even are wanting to use this will quality speakers.Martin Logan ESL’s Challenge: These speakers are known to have dynamic impedance swings, with ohms that often dip, making them a tough act for many amplifiers. But the Fosi V3 didn’t strain at all. It provided consistent power, ensuring the ESL’s remained articulate and expressive. Much better than my tube integrated. The dips in ohms which could cause some amplifiers to falter, only showcased the stability of the V3. Very surprising for the low cost. Again, what can I say…these small inexpensive amps have improved to the point where they are an incredible value.Conclusion: The Fosi Audio V3 isn’t just a budget amplifier. It’s an amplifier that can be used with expensive speakers. For anyone hesitant to use the Fosi in similar use cases, give it a try. For the price, there’s very little to lose.