Fosi Audio will DESTROY the Hifi Establishment with the ZA3 Amplifier

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Опубликовано:

19 дек 2023

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Комментарии : 413

@cheapaudioman 6 месяцев назад

@thedarkknight1971 6 месяцев назад

Yeah, sounds like a good amp, buuuut... IF I'm gonna replace my 1989 Technics SU-600 'New Class A' integrated amp (*) with a modern well built 'low cost' alternative like one of these, I REALLY WANT an amp to ALSO include well set up Bass & Treble tone controls (NOT 1 combined B&T knob, but 2 separate)... 🤔😏 * I bought it new back in the day and it's been serviced a coupla times since, so, she STILL sounds ace! But IF I replace her for something a little more compact, then yeah, MAYYYYYBE I'll go Class D, maybe... 🤔😏 😎🇬🇧

@mattnordlich184 3 месяца назад

@cheapaudioman I have unifi 2.0 as my main speakers of the house hooked up to an old Yamaha r9. What would you say is the best matched amplifier for these from your experience?

@Leb_-fv5gd 6 месяцев назад

Note to Fosi audio. Take two sets of the internal boards from these, put them in a bigger box to act as separate left and right mono speakers. This will give you more space on the rear to add better binding posts etc. this means they can sit on a hifi rack with the rest of the gear. I suspect you'll also have better cooling. Plus it will look pretty cool having TWO of their knobs on the front...

@Panslapper 6 месяцев назад

Excellent idea!

@fonkenful 4 месяца назад

Given the propensity for manufacturers such as Fosi, Aiyma, Topping, Douk, WiiM, et al to revise/upgrade / expand their line ups at a much faster pace than older mainstream brands, such models may already be on the drawing boards - or be at the end of limited production runs at the time of reading. 😊

@andreasr6632 2 месяца назад

Yes to the idea of coupling them in a single unit but making the volume control single for both boards. Also adding the DAC functionality of BT30D Pro would make it the one ring to rule them all budget DAC/completed amp.

@c.s.herman860 22 дня назад

Really needs high-pass filter more than anything to make this a killer 2.1 unit. The mono/stereo switch could also be moved to the rear

@sjb931x 6 месяцев назад

Today I hooked up a new ZA3 and I'm really impressed. I'm using an Audiolab 6000A Play in pre-amp mode and powering a pair of Triangle Borea Bro 3s. I have the sub out on the Fosi connected to a Hsu Labs powered sub. First impressions- the sound stage is much larger, separation of instruments is far better and much more detail is revealed in large, complex orchestral pieces. The only negative is that as good as the Triangles sound with the added power the ZA3 brings to the table, I may have delayed the need to upgrade my speakers.

@videoshire 6 месяцев назад

If you are planning on running in mono and want to upgrade to sparkos op amps then save yourself $136 on Sparkos op amps and only buy two for the upgrade? In mono you are only using the right channel on both amps so only need two sparkos op amps to upgrade and not 4. Confirmed with Fosi.

@beprotishen Месяц назад

300$+ you can buy better things

@peterdesmidt8742 6 месяцев назад

My two just arrived. I use a digital crossover, a Minidsp SHD, to split the signals to my Maggie LRSs and my dipole subs. So, one ZA3 to drive the Maggies above 120hz, and one ZA3 to drive the subs below. So far, so good. Until now, I used two Adcom 535IIs. It's way to early too make an sound quality judgments. I do like the build quality on the ZA3s.

@ericperry72 5 месяцев назад

So you feel these power the LRS properly? I wonder if you added another one and ran 1 per panel.

@peterdesmidt8742 5 месяцев назад

So far, so good. Yes, I might add another down the road.@@ericperry72

@jayem1826 3 месяца назад

Yes. I need to know. No LRS’s but MMG’s and SMGa’s.

@hansoosterwal4073 6 месяцев назад

Thanks Cheapaudioman for showing alternatives to expensive gear. It helps getting to the end of the month... Happy festive days!

@ChrisP1101 5 месяцев назад

Awesome review as always Randy. Been living under a rock I guess just now seeing reviews on the ZA3. Now sold out and no promo codes. Can't wait to get my hands on one...or two!!

@booobtooober 6 месяцев назад

ZA3 is NOT bridged, it's just a right channel mono. There's some benefit, (slightly more power, no cross talk), but if you really want a mono block amp with 2X more power, the Aiyma A07 max is still the king 🤴 2nd - I don't like how everybody says/wants to add this or that or everything and the kitchen sink. If this were my design. I would eliminate the sub out, eliminate the volume, make it bridgeable, move switches to the back, 1 switch for stereo / bridged mono and another switch for high pass, low pass, full range. Make this a solid affordable amp with singleness of purpose, then put all the bells and whistles into a processor, dac, pre-amp, whatever?!?

@zangalucian 4 месяца назад

It is PBTL mono which means parallel bridge.

@shaolin95 3 месяца назад

@zangalucian you don't get anywhere near a true bridge gain

@MaybeTiberius 6 месяцев назад

perfect, i hope it will become available soon on amazon too because i want one. you know what really is a huge selling point on top for me on those little guys? as long as they sound good enough... we live in a world where living costs increases soooo much. if i look at the specs of my old trusty avr and i see something like ''pulling up to 500watts out the wall'' ... electricity is at a price where you really feel that. especially if you listen to music all day pretty much and you have that monster pulling tons of it all day... that gets expensive. those little class D in comparison... you re literally saving money every day

@myaudioquest 5 месяцев назад

@myaudioquest 0 seconds ago I bought the Fosi ZA-3 (with 48V power supply) thinking it might be a keeper. What I discovered was a mixed bag...thin in the mid-range and bass. I also did not care for the volume control, cheap like in build and function. On the plus side is exceptional clarity in the treble but requires a sub-woofer to add body and weight to the music. Best used with a bass centric loudspeaker or possibly use two amplifiers. My two cents!

@scofab 3 месяца назад

Fully agreed... this thing really blew me away, and at the $150 price it's almost unbeatable. Maybe completely unbeatable as of now (4/2/24). Certainly the best "small" audio investment I've made over the years. Thanks as always and regards.

@NWGR 6 месяцев назад

Man watching reviews on this thing has my hyped as hell for it. I'm gonna just splurge and get two from the start and maybe mess with opamps in the future.

@MacCelium 6 месяцев назад

Thanks, good stuff as always. Two just arrived this morning. The most intriguing thing is.... it looks a ZD3 is in the works. No idea what it will hold, or if it will ship, but the line drawing looks great.

@paulc9564 6 месяцев назад

Congrats, where did you order yours? I ordered one from Amazon on Dec 20th...9 days later it still hasn't shipped. Maybe minions are still frantically assembling mine in the factory?

@MacCelium 6 месяцев назад

@@paulc9564 Got lucky and stumbled on them in Amazon the day they released. Bought 2 sight unseen...set them up this morning and so far so good. Still waiting to get some info regarding the pin out on the 12v trigger so I can try to make my own with a recycled wall wart and remote outlet (or maybe a Clapper :) No idea if it will work, but can't see why it wouldn't. Now I'm keeping a close eye out for the (seemingly) impending ZD3.

@gregbartosik5372 6 месяцев назад

Thanks for the next great video. First, your review convinced me to buy HiFiMan Edition XS and now I ordered ZA3 😂.

@ziggy8757 6 месяцев назад

i hope someday fosi adds high pass filters to their amps....that would make them awesome.

@Nickporter17 6 месяцев назад

On the audio science forum they said that's coming on their next release.

@mcjonner 6 месяцев назад

@@Nickporter17 oh wow I was wondering which amp he was referring to in the video I hope that is it

@Nickporter17 6 месяцев назад

@@mcjonner I was wondering that too. It's gonna be a different amp.

@geevee1045 6 месяцев назад

Great review Randy. I was shocked at how much better this sounds than my Aiyima A07 with the same TPA3255 chip. I swore I wouldn't buy another typically lean Class D amp, unless it had tone controls to compensate. But to my surprise, this is the first Class D amp I've ever heard that has BODY, it sounds warm! Like you say, the image is big and wide. It's airy. The sound of my Magnepan LRS+ has moved up another notch, they're more spacious now, and with more depth. I've only had it for a few hours, so it still needs burning in, but so far I'm pleasantly surprised. Some people might think it's too laid back and slightly soft, if they like a forward, harder, brighter presentation, but not me. It sounds pleasing with all kinds of music I've tried, as long as it's well recorded. It's especially good with separation, pinpointing locations of instruments across the soundstage. And then, throw in a sub-out that works in conjunction with the volume control. Bravo!

@geevee1045 6 месяцев назад

Trying too hard to do what? Not sure what that means. But let me emphasize that the A07 has been my fave class D amp over the past 18 months, so I'm certainly not criticizing it. May I ask what speakers you are using to reach these conclusions? It may be a system matching problem. The Za3 has a warm, laid back presentation, not forward, maybe a touch soft, but always a pleasant listen. It easily differentiates between radio stations using different amounts of reverb, which was never so apparent before. But, perhaps because I had just switched over from listening to an Aiyima A07 that sounded stressed under a 48 volt supply on its 50 volt max. capacity caps, the differences between the Za3 and A07 was more emphasized. Tell you what, when I get a chance, I'll do another comparison, just out of curiosity. But so far, it's pleasant and I'm pleased. @@TheMittster

@christophergaus3996 6 месяцев назад

A volume bypass feature, excellent idea! Maybe as a 'notch' the knob locks into at max volume = completely disengage Could sound even better

@cnnlive10 6 месяцев назад

I wonder how many people would like to see a Fosi P3 preamp with balanced outputs and no tone controls in the near future???

@pbloemer 6 месяцев назад

Watched your video and some others after that, outcome is that I've just ordered two ZA3's(48v)!! Let's experience how they drive my AE520 speakers. I will have to wait a few weeks but I expect it will be worth waiting for 🙂

@baseballlife5884 5 месяцев назад

I ordered two of these as well and I preordered a Wiim amp. All three have just said they’re shipping!! I believe I can simply hook the Wiim up to speakers but I need to get something to stream with the ZA3’s. What are you going to use for yours?

@MaybeTiberius 6 месяцев назад

i thought a remote control would be super important to me but theres something funny i noticed: the volume buttons on my old denons remote went bad so i had to go to it every time. instead, i just told him to allways turn on in my room listening volume. i usually dont turn it up louder...and if i want to make it more quiet in the evening, i just use my phone for that because i cast my music from my phone anyways and i can adjust the volume of my chromecast audio and spotify and whatever there too so the only thing i use my remote for is to turn it on and off... but then again, i have an smsl su1 and in the morning i need to go there and turn it on anyways so the remote is mostly a gimmick

@bigambientdeath 6 месяцев назад

Wish they would go back to a separate on/off toggle switch and maybe do a deal with sparkos/burson for op amp upgrade at purchase, you get a choice of power supply after all.

@RichardMetzger 6 месяцев назад

That is a swell idea for them, I hope they take notice.

@stephenstevens6573 6 месяцев назад

Im absolutely thrilled with my Crown XLS driving my Magnapan MGllas..is there an appreciable difference in switching to the Fosi? I have a history with Fosi. I have the phono stage with the tube buffer and i Love it. Just slways looking for opportunities to improve. Convince me

@baseballlife5884 4 месяца назад

Does the sub out still work in mono mode with two ZA3’s? If so how is it hooked up correctly?

@Jpp113 6 месяцев назад

I wonder how this would compare against an A/B amp like the emotiva a2m. I know on paper its down on power, but i wonder....

@graememorrison333 5 месяцев назад

I have inherited a Passlabs X-150 preamp with balanced outputs, which helped me pull the FOMO plug on two of these ZA3s, but am still confused as to whether they actually need a preamp (What actually is the ZA3? Is it an integrated, or a power amp?) let alone me actually needing two of them - because they cant be parallel bridged.

@computerfreakch8912 6 месяцев назад

The difference in mono vs. Stereo is largely in the additional power supply: you see, when you want to play difficult-to-drive speakers off a 5-Amp power supply, you'll see shortage of current from that power supply. 48 or 32 Volts don't make much of a difference here, because low-impedance speakers need current more than voltage.

@AdamsOlympia 2 месяца назад

I recently picked up a $2600 stereo on impulse (Kef 350/CXA81/sub) - sounded absolutely amazing, but I regretted spending so much money for diminishing returns. Swapped it out for the Fosi ZA3, q150 and SVS sub for a fraction of the price and it sounds as good or better. This is a killer pairing.

@CuttoothsRoom 6 месяцев назад

Just an FYI, these are back in stock on Amazon and the 15% off code still works. I bought two of them.

@cnnlive10 6 месяцев назад

Cool! I just grabbed one using the code. Thanks for the info! ( Thank You Cheap Audio Man!!! )

@superspeeder 6 месяцев назад

The sub out surely has something to do with listening to their customers; that’s a major complaint about the V3, that the output is not controlled by the volume knob.

@D1N02 6 месяцев назад

Use banana plugs and the binding posts aren't a problem. What I would really like to see them compared with is Hypex Nilai at ten times the price.

@bearded_wolverine3503 6 месяцев назад

Randy , i currently run thr box x2 hooked up to my sl1200 mkii running my alesis elevate mk5 powered speakers, however i want to got to passive speakers for my 15' x 11' room. Would getting this amp with the elac speakers be a good option still using the box x2 preamp?

@johncarlocruz8085 5 месяцев назад

Does the sub out works the same in either mono or stereo mode? I noticed that there is less bass coming out of RCA sub out or no bass at all in mono mode.

@butchbantug4731 6 месяцев назад

Just ordered 2 using your link. Now have to find a balanced preamp with remote. Thanks Randy

@Rota42Videos 6 месяцев назад

Please get back to us and share what you’ve got

@niklasschmidt 6 месяцев назад

Wiim?

@psysword 6 месяцев назад

@@Rota42Videosive got the Vincent Audio preamp! Driving my burson audio monoblocks, smsl a300', and the Fossi now!

@Lamorgan3390 6 месяцев назад

I own Bose 901 and have a Bryston 1B preamp what new affordable amp would you Recommend to use. Appreciate your help.

@phila.6521 6 месяцев назад

That thing is sick. Fosi Audio is legit. Can't wait for them to make something like that with TWS bluetooth pairing. I use these ZK-1001B Mono Bluetooth Amplifier Boards and they work just like wireless ear pod do, but are wireless monoblocks.

@JoseFerreira-zb7wh 6 месяцев назад

It seems like they're already workinh on the next one. Using other texas instruments chip with pffb (i think this is it) which allows for muche better performance. They've also been listening (as usual) to a lot of feedback from their customers to improve this next new unit. I fully agree on the volume bypass switch! Had already told them in a forum.

@MrBenherrmann 6 месяцев назад

Just ordered mine off of the Fosi web site. Fosi gives you options on what you wish to order. I purchased my ZA3 from them without a power supply (because I already have a half dozen different linear power supplies), for only - now get this - $88 USD. With a power supply, Fosi will charge you around $128 (from their website).

@gamkagan 5 месяцев назад

What would be a suitable preamp with bluetooth and remote to use with this power amp. I have elac 5.2 speakers, and use a powered sub

@nathanberger618 6 месяцев назад

I rolled tubes tonight and I’m getting ready to roll OpAmps in my ZA3

@kellanmackenzie5230 6 месяцев назад

These little amps are perfect for adding dedicated amplification to individual speakers in a home theater setup. The small footprint is perfect for adding more power to a center channel and really stepping up your listening experience.

@peterwood2633 3 месяца назад

What about volume bypass though?

@kellanmackenzie5230 3 месяца назад

@@peterwood2633 explain

@willemvdg9557 6 месяцев назад

It would be nice if they made a good pre amp: two SE inputs (or one SE and one balanced), SE output, good remote (using bluetooth), decent headphone out, and maybe a sub-out.

@Estfieldings Месяц назад

If you only use it stereo mode, not as monoblock's, then very good and also cheap alternative is YJCO D325X

@richh650 6 месяцев назад

A quick way to get beyond the totally silly marketing specs on these Class D amps is the following... Wattage = Amperage times Voltage. Their largest Power Supply is 48 volts times 5 amps so that equates to 240 TOTAL WATTS POWER CONSUMPTION THAT IS EVEN AVAILABLE. In addition, most class D amps run around 85% efficient to their output. So multiply that total power consumption of 240 watts by 85% efficiency (.85) and that equals to around 204 watts MAXIMUM power available, or 102 watts per channel MAXIMUM power. There are short term ways of getting some very short-term power using massive capacitors, but these smaller class D amps don't have them. They are good values for realistic listening of bookshelf speakers but probably not good for larger floor standers in larger rooms or more difficult impedance speakers if looking for real power.

@toddwmac 6 месяцев назад

Thanks Randy. Any thoughts on a/the ZD3?

@c0mbat15 6 месяцев назад

Interested in a comparison to the Aiyima A07 Max in both stereo and dual mono. I understand the extra features but I don't need those. You basically stated that the A07 Max is as good in stereo so I'm hoping that two of them are just are good in mono because they're half the price.

@booobtooober 6 месяцев назад

The A07 max is actually a bridge able mono block, whereas the ZA3 is just right channel mono

@c0mbat15 6 месяцев назад

@@booobtooober Apologies, I don't understand what you mean.

@aresusa7 6 месяцев назад

Convinced but how much any better sound can one get coming from marantz sr6010 av receiver with b&w 685s2 3.1 speakers ..all being same series, to, 3 mono setup with 48v ps ..again over the same setup? ..(av receiver connected to za3s w rca)

@machone539 6 месяцев назад

Just wondering why not get a used Parasound/Emotiva/Rotel 100watt amp instead of two ZA3?

@eric_sc 6 месяцев назад

Does anyone know if you run a pair of these in mono and swap in different op amps, do you need to do both left and right on both amps (4 total op amps) or do you only have to change out the right sides on each?

@eric_sc 6 месяцев назад

For anyone with the same question, this is from Fosi Audio... "Hi friend, you can just replace the R-OPAMP one. For mono mode, we only need to replace the right channel's op-amp."

@ZeFoxii 2 месяца назад

How should I setup my setup I have a ampapa a1 on the way and my source audio is digital from hdmi should I use this instead of a cheap DAC?

@peterwood2633 3 месяца назад

Jist came across these. Might be fun dor my stacked lintons! So you have to manually balance the volume in bridged mono mode? If so whats the most accurate way to do that?

@DavidYoungSpace 4 месяца назад

P.S. The latest ZA3 user manual makes reference to a ZD3 component. Perhaps a new DAC, or preamp in the works? Perhaps with XLR outs?? Haven't seen anything from the kickstart yet.

@thelovacluka 3 месяца назад

what preamp and speakers you guys recommend with this amp in a regular stereo mode with one unit? I would use it with my phone, Bluetooth, my laptop, for music snd movies also.

@m4nc1n1 6 месяцев назад

I say these today on their YT Channel. I like it. Surprised the V3 is more powerful tho. I got the V3 with Orange knob and 48V from Fosi for $110 on sale a few months ago.

@marcw205 6 месяцев назад

I have a BT30D Pro with 2x tpa3255 that i use for a desktop pc setup and hooked it up to my 4ohm cerwin vega towers and let my audiophile mate hear it and then compare to my Onkyo receiver. So the thing with class d is there is no finesse or depth. Its just on you like a angry dog. Onkyo is a atmos model and even in pure mode a/b just sounds more refined where the class d is on you and has a flat soundstage. Loud as hell btw. I’d be happy to use it in a outdoor setting as its load and portable. Drives my old subwoofers that have had their amps die fine. Use a polk sub and two old all aluminium infinity home theatre speakers on my desk. Overkill

@marcw205 6 месяцев назад

Input was a wiim pro into a modi 3e playing Flac from my nas server. Desktop is pc to Topping 30ii lite. I prefer the modi with the ESS chipset on my onkyo. Topping is not as musical sounding as the Schitt more clinical

@peterowings7233 2 месяца назад

Great news! I'm going to sell my MAC7200 and go with these.

@thomas_n_OH 6 месяцев назад

If you had to choose between this and the WiiM amp, what would you choose?

@rich.e 6 месяцев назад

WiiM, in a hearbeat. I have no need for this amp with a bird's nest of cables, no digital and no remote when the WiiM does it all.

@alexpal1495 6 месяцев назад

Is this final stage amplifier?

@alexpal1495 6 месяцев назад

What do we have in class a and ab amplifiers?

@muawiyahendricks1258 2 месяца назад

After checking out these Chinese amps, I settled for the BRZHIFI X21 same but with 2 x tpa3255 for a 2.1 set up. Kindly review if possible for $125 (I got mine with the Muse02 opamps)

@Hookem46911 Месяц назад

Just wondering. While checking out my ZA3 with 3 Sparko's opamp's connected to the Emotiva PT2 and a old Denon DVD/CD player connected via optical. I did this to keep the setup as simple as possible. Having purchased a pair of RCA to XLR cables and connected the ZA3 from the PT2. Compared it to my Ao7 with Burr/Brown opamp's and also the Fossi V3 with Muse opamp's. I quickly came to the decision that the ZA3 sounded much better. Sound stage width and depth, instrument placement, vocals, midrange and bass were noticeably better IMHO. Long story short. After all that business I flipped the switch from RCA to the XLR connection and again quickly came to conclusion that it sounded way better than the RCA's. Asked Fossi and the told me that the XLR's will sound better than the RCA's. Again wondering why none of the reviews I have watched make the A/B comparison between them. It is only connecting another set of cables and then flipping the switch. Please Randy could you make the comparison and give us your opinion.

@seaman5705 5 месяцев назад

How much, in percentage , is Fosi ZA3 better than Aiyima A07 Max ?

@paulchristman4918 6 месяцев назад

Just wanted to say that many are doing the review for the ZA3, but I always prefer to watch your videos... Thanks!!

@tommccarthy3385 6 месяцев назад

It would be interesting to see a comparison of sound quality between this unit and some more expensive but still affordable options such as the Emotiva BasX A2 or TA1. I'm limiting the comparison to SQ because the a higher price tends to buy more features.

@iikatinggangsengii2471 6 месяцев назад

my old desktop system (with awfully obsolete players) still has better sound than most setup, as shown by score even compared to jriver/modern daps

@iikatinggangsengii2471 6 месяцев назад

the difference isnt exactly sq, more of tunings, desktop doesnt have special tune since its free for everyone, but neutral and reliable

@iikatinggangsengii2471 6 месяцев назад

dx7/9 will sound better

@iikatinggangsengii2471 6 месяцев назад

trust me bro source

@mcjonner 6 месяцев назад

I wonder this as well paired with wiim pro+ with decent dac and eq

@MikeDS49 Месяц назад

How long before they pull a OnePlus? Both are based in Shenzhen, both initially offered high value electronics that outperformed devices costing hundreds more. Once brand loyalty was achieved, Oneplus steadily racheted up their prices with each device release until reaching price parity with their competitors.

@cosmiccharlie8294 5 месяцев назад

Just ordered a ZA3. Think I got the order in before the January units sold out. Not really impressed with the xlr inputs. None of the pre amps I look at have them ( not even Fosi's ).

@Panslapper 6 месяцев назад

These are nice amps, but let’s be honest would these really be a better choice over something like the Marantz PM6007 which is retailing in the UK at £299, I guess it’s a subjective conclusion to say the least and as Randy has often mentioned, space and convenience play a big part. I have had the A07 Max, V3 and so on and they don’t present as smooth as the Marantz PM6007 or quite as full. This is not a surprise though. The AO7 Max out of the box by comparison did sound a little flat, dry and thuddy in the bass. Maybe an upgrade to the op amp may improve things slightly but I doubt to the extent of matching my PM6007 in many aspects, is it a fair comparison…probably not really. Mono setup the power increase is great but that is only volume and maybe a little better separation in general but then we are touching £300 currently for a pair of ZA3 bare amps. It does start to get expensive thereafter ie adding a Dac etc and by the way the Dac in the Marantz is quite decent, a lot better than the Iotavx SA3 which I replaced with the PM6007. Currently in the UK I don’t think anyone could find a better value amp than the PM6007 and I have never been a fan boy or someone who’s a big Marantz fan in particular. Still, just my two pennies and I can’t say that either choice would particularly disappointing especially if you are willing to splash out on op amps, Dacs and maybe better cables. I would still love to hear the ZA3 via balanced at some point but in my own mind I would imagine it might sound like a beefed up V3 which is no bad thing at least in the current budget sector.

@Jimmy-js8mz 5 месяцев назад

Yes

@LarryRichelli 5 месяцев назад

I have to agree with you on the Marantz PM6007. I read these comments of all the different way these guys are buy these little amps and trying to make them sound better and all that work and money could buy the Marantz with money left over and a lot more time of just listening to great music.

@NeilBlanchard 6 месяцев назад

I really like Sparkos op-amps, as well! Another option that might be better for some folks, and cost a bit less - is the Muses02; which is an IC op-amp that costs about $45.

@bling5279 6 месяцев назад

I already have the Sparkos on my J2. Perhaps I will try out the Muses02 on the ZA3.

@NeilBlanchard 6 месяцев назад

@@bling5279 I tried about 5 different IC op-amps, and I think the Muses02 is the best of those - but I like the SS3602 more. And if you can fit the SS2590 (like in the RCA socket on the J2S, with a riser) then that is even better.

@bling5279 6 месяцев назад

@@NeilBlanchard I currently have a single SS3602 on the J2. Maybe I’ll get another and put them on the ZA3. Then try the SS2590 on the J2 instead.

@ShazeemKhan 6 месяцев назад

Do you guys know where sells them OP Amps? And are they hard to install?

@marcusm5127 6 месяцев назад

@@ShazeemKhanNo they are not hard to install but still very annoying. Threre are caps close to the op amp socket and you need to wiggle them out straight to not bend the legs. I have done it a few times and I will do it again but I won't ab test it. Good luck and hope you enjoy op amp rolling.

@Car-guy307 3 месяца назад

How do these compare to a basic Cambridge Audio A1 which are £50 or $50 on eBay ?

@spaeth05 6 месяцев назад

Randy - what pre-amp with remote options would you recommend to control volume on two of these? That's the only thing I'm perplexed by! I'm currently running an Aiyima A08 Pro with Schiit DAC and Wiim Pro (all on your recommendation so thank you!). I would love a remote though so wondering if a slight change / upgrade is in order.

@2011FM 6 месяцев назад

@spaeth05 Before spending on a new preamp, your Wiim Pro offers an optional remote control to allow you adjusting its volume level. First you need to set-up the Wiim apps and turn on its variable output. Hope it helps.

@nanite12 6 месяцев назад

@cheapaudioman Another great video! I have a set of UB52s that I want to use as a soundbar replacement and I think this is the ZA3 is the amp to go with. Can you recommend a cheap DAC with a remote to complete the soundbar replacement? Emphasis on cheap. Thanks!

@frankplissken143 6 месяцев назад

I've been happy so far with the Aiyima T8, as recced by cheapaudioman in some of his older videos. It has analog and digital inputs, a good enough sabre dac, tone controls, remote and tube. I use it for volume control and just leave the amp around 95%. Lets me use the pre out on V3 with a sub.

@d.s.cullom5461 6 месяцев назад

You can do the classic, long runs from the preamp to the amps right behind the speakers with very short speaker runs.

@coreyadams7261 4 месяца назад

2 fosi audio za3 ran mono or emotiva basx a2?

@billbones1000 5 месяцев назад

Well guys I've purchased two of these highly recommended by Randy cheap amps over the past few years. If you are wondering, they are cheap amps. They feel cheap in hand, knobs and connectors are cheap feeling, they visually scream cheap. Sound wise, they have both sounded like cheap amps.....they sound just ok.....I've used them as soundbar replacements paired with cheap bookshelf speakers and they do the job nicely. Neither of them sound, look or feel anything like a replacement for an actual hifi amp. If you're looking for a computer desktop speaker solution, a soundbar solution or are a kid, a student or very limited financially these amps will get you by in a pinch. If you are looking for an actual hifi amp then your money will be much better spent on a used market mid- fi amp. Randy is a good hype man and the amps he recommends do seem to be generally functional however he could do a better job reminding people that the word cheap is in the name of his channel for a reason. If you buy one of these amps you will probably get something that works and doesn't sound painful but you should also expect to be underwhelmed with your purchase......a lot of hype in the video but once in the hand you realize it's still a very cheap audio product

@georgeunderwood5341 4 месяца назад

Am I ok with Yamaha ns-4 speakers?

@kevinsheppard6085 6 месяцев назад

Mono blocks normally run in either "series" which give you more gain so go louder, or "parallel" which gives you little or no more gain, but should give you more ability to drive harder loads. Looking on the fosi website these are configured in parallel so I reckon the actual power output between having one amp or two mode wont be that much differnt, what your hearing is probaly the ability of the two amps to drive lower ohm loads a lot better which would make the speakers sound a lot more dynamic.

@cnnlive10 6 месяцев назад

I kind of wonder if the V3 would do the same thing when freeing up the other channel?

@secreto087 6 месяцев назад

As always a great review. Thanks How does it compare to the SMSL A300?

@MrTheRealDeal007 2 месяца назад

Will this be able to push a pair of Klipsch AW-650

@gregbailer8701 6 месяцев назад

Almost an "audio-fool"...but you saved me. Keeping my modest 2.1 system. Watching your channel for 2 years...and with the "Best Ever Heard" component on a 2-week recurrence, I have saved about $10,000 in rabbit hole expenditures. Thanks! Bring back the Buddha.

@frequeencytv8130 2 месяца назад

I have these AmP Its just my opinion, I add a Tube Preamplifier to it and a Headphones Amp attach to the tube then attach to FoSi sounds better

@reynoldnayoan3296 Месяц назад

Fosi ZA3 or Smsl A300?

@shaymcquaid 6 месяцев назад

Randy, Been on the fence on the SYN. What do you use it for? I need a small form factor "surround" for movies. What do you think? thx.

@joshdeakins1775 6 месяцев назад

@cheapaudioman as someone with just the SSCS5's is there a benefit in running dual ZA3s? Or is one powerful enough to be as dynamic as dual for the sonys.

@ufarkingicehole 6 месяцев назад

Their wouldn't be much of a reason to run mono for the Sonys

@Benihana81 6 месяцев назад

Probably not power wise....but a GOOD benefit is less crosstalk between channels since your using 1 amp per speaker.

@adsph 6 месяцев назад

Appreciate your observations as always Randy. A good product for the price imo.

@bklynhubby 6 месяцев назад

Hi Randy. Thanks for your video. Question: Can you also bi-amp speakers with two of these amps? Happy Holidays!

@mcjonner 6 месяцев назад

This with a wiim pro+ would be awesome with a remote and eq. Wonder if they go on sale for black friday?

@AllboroLCD 6 месяцев назад

Love to see a follow up running 2 of these bad boyz juicing full range speakers! Hell.... be awesome to see this thing powering a passive sub in bridged mode!

@mcjonner 6 месяцев назад

Agreed I like the idea of powering a sub

@niklasschmidt 6 месяцев назад

A class d with good chips and integration and vu meters like luxman would be my end game. Well I have a purifi amp. Which is end game for now. The crazy thing is that the V3 and mostly probably this amp is close to same sound quality. We live in good hifi times

@vaporsoccerguy16 5 месяцев назад

Can someone help me understand how one gets the source into two separate amps to run them in mono? Be kind. Totally new and interested in the hobby. 😅

@armyofdorkness6159 5 месяцев назад

Left rca in one amp and right rca in the other

@mcjonner 6 месяцев назад

Can one of these be used mono with a passive sub? Would be an awesome cheap way to get into building a diy sub, specially if you use dirac for room correction anyways or potentially a wiim pro+ for some eq.

@D1N02 6 месяцев назад

Fosi has a number of dedicated sub woofer amps on their website

@mcjonner 6 месяцев назад

@@D1N02 ah thank you I'll check out their site

@Nickporter17 6 месяцев назад

I was considering doing this and reading through reviews on the similar fosi f3 and the Ayima A07 I learned that these chips lose a ton of power below 100 Hertz. So, I would definitely not purchase one of these to be used as a sub amp. I ended up buying a sub plate amp from Dayton for my DIY sub. It has balance inputs and outputs and high and low pass filters. So, I'm getting so much more than this thing can deliver in terms of features for a 2 + 1 system. Tho I did purchase a ZA3 today for the left and right channel in my system.

@mcjonner 6 месяцев назад

Ah ok good to know. I seen someone post a video building very large / sensitive towers with a 18" or 21" diy sub, both powered by the same 2.1 small Chinese amp and he said it got plenty loud dispite the small amount of rated watts actually being used.

@Nickporter17 6 месяцев назад

@@mcjonner oh yes I'm sure it still pretty loud. But in terms of normalizing the SPL across all frequencies you could have some terrible. You can still get a cheap class d amp, but get a chip that's optimized for low frequencies.

@Expedition18 6 месяцев назад

Have bought fosi td10d on your recommendations and combined with your recommended emotiva b1+ I am sometimes amazed by the sound. Their amps are dead quiet and clean. 👍

@frankplissken143 6 месяцев назад

The 48v V3 gets pretty toasty driving the original Uni-fi UB5. I can't help but wonder if it would be better long term with two amps doing mono.

@JMJM75257 6 месяцев назад

If you can be bothered try 42v. It's the highest the v3 can be driven before it starts to heat up exponentially.

@marcodeklerk007 5 месяцев назад

Hi Randy, I'm an audio lover but by far not so good in all these setups. I would like to buy another Fosi ZA3 to play in mono. But, how should I connect it properly? Sorry for maybe asking a noob question.

@armyofdorkness6159 5 месяцев назад

Left rca in one amp and right rca in the other

@stevem3432 6 месяцев назад

I'm having some confusion. Can anyone say if the ZA3 sums the stereo inputs into a mono output when in mono mode? Or am I completely off on how this works? I'm still learning.

@cnnlive10 6 месяцев назад

When ran in a mono mode, you must have two of these. One ZA3 for the left channel and one ZA3 for the right channel. Both left and right mono amps will have only ONE rca input from the preamp. They will both use the right channel rca input and the right channel +/- speaker outputs. If you have some questions about the set-up, go to Williston Audio Labs here on RU-vid and look up his ZA3 test / review.

@michaelgreen1690 6 месяцев назад

Quick question for @cheapaudioman. How would you compare this to the Sabaj A20a that you reviewed a while back at $180? Very similar amps..

@NormcoreGreg 6 месяцев назад

I wonder how it compares to those small Schiit amps that can also be run as monoblocks.

@johnfallen3909 6 месяцев назад

I love almost everything about this product. I should start by saying I am a fan of this area of audio. I have a load of vintage gear but for the l past year I have jumped deep into the Chi-fi world and think it is great fun! Love the results in sound quality. One question. Why is it that anyone would need balanced runs for amps like these. All connectors are going to be in shorter lengths weakening any argument for balanced access. I would much rather have two sets of rca inputs. My Geshelli J2 is the only audio gear I have with balanced connections so balanced is wasted on me.

@tranphuocloc7837 6 месяцев назад

my setup 1 : rca (DAC) to rca (za3 ) for music , 2 rca(DAC) to mixer ( beringer XR12 ) to xlr ( za3 ) for karaoke . 2 inputs very helpful

@mwrightinsurance 6 месяцев назад

I wouldn’t call Japanese German and American parts (TI chip)“Chi-fi” . Lotta people hating on these things in the comment. I bought the V3 and that’s run Every speaker I’ve thrown at it at high volumes without it even getting up to room temperature, longevity is the only test that remains.

@jayem1826 3 месяца назад

Two inputs? There’s no input selector switch. XLR takes precedence?

@whome8192 6 месяцев назад

These one function amplifiers have way over advertised power ratings well into amplifier clipping. This is a 75 watt x 2 amplifier at 36 volts at 4 ohm, or 40 watts at 8 ohm x2 amp. Above that and the amp goes into clipping. It is a good 40 watt amp. They should use industry standards to test amplifier power and not offer misleading ratings, until they do that they will just pollute the earth with unnecessary waste.