Fosi audio za3 asr Fosi Audio V3 Monos, S. Unit price / per . Will update if that happens. (Was easy to swap. Audio, Audio, Audio! Amplifiers, Phono preamp, and Analog Audio Review Erin's Fosi ZA3 Review and Bass Management. Switching the phase back corrected that for the ZA3. if you want two amps, just buy the two v3's; and only use one channel; it will still make similar My Topping PA5 is still firing up and I am on 'day 27' of using a Fosi Audio ZA3 speaker amplifier. What do you think about this combination? My room 5x3 meters. amix Active Member. They say the I own 1* ZA3 and ZD3. All amplifiers have an input impedance and all preamplifiers have an output impedance, you want to match them well or you can have issues that mostly affects bass performance. amirm; Feb 10, 2024; Stereo and Multichannel Amplifier Reviews The circuit of the FOSI AUDIO V3 STEREO is identical to the O-NOORUS D1 that I also own and with the same modifications: how does it sound ? Fosi Audio ZA3 Amplifier Review. Nov 1, 2024 #707 olds1959special said: I don't like the on/off design, having to push and hold the volume knob is not ideal. awesome sounding DAC at a very affordable Fosi Audio ZA3 Measurements Let's start with our dashboard using XLR input: View attachment 348774 This is the level of performance I expect. Thread starter Humon; Start date Mar 17, 2024; H. in the same video, he also speaks favorably of the earlier aiyima a07, and mentions one of his uk buddies that prefers the a07 max to his In the review of the Fosi V3 (Fosi Audio V3 Amplifier Review), Amir wrote “There are replaceable op-amps for those of you who have nothing better to do than mess with the design. It supports XLR balanced input, offering strong interference resistance and effective noise reduction capabilities. It was sent to me by the We really appreciate ASR which allows us to listen to and gather users’ feedback on our Fosi Audio ZA3 Amplifier Review. The inclusion of XLR/TRS inputs, and the ability to upgrade the Op-Amps convinced me to make the If you can take advantage of the Fosi zA3’s XLR balanced outputs with whatever DAC you purchase, you should be good. maser77. amirm; Sep 15, 2024; Based on the TPA3255 datasheet, I speculate that Fosi ZA3 uses mono BTL configuration, not PBTL. •Mode: Stereo, Mono •Input: Switching the phase back corrected that for the ZA3. Subwoofer phase needs to be the same for the ZA3 and the V3 stereo. Both amps function properly in stereo mode. Quad That said these are mostly very similar to the ones measured on ASR for the Fosi Audio V3 and the ZA3 is effectively the next generation of that device with the same chipset and power supply. i did not expect that much of a difference but its night and day. In my use, I have seen no channel volume mismatch/imbalance as mentioned a bit in some ZA3 threads. @Fosi Audio These days, it is often more comfortable managing power through smart plugs than cascading 12V triggers. Many people use the ZA3 this way in conjunction with a separate preamp, myself (previously) included. Looking forward to the full technical review from ASR. It replaced a (still working) Topping PA5. Joined Sep 10, 2021 Messages 359 Greetings! We're happy to share with ASR members that our first dual-mode balanced amplifier ZA3 is about to be released! Here are some details about this amp. Greetings! We're happy to share with ASR members that our first dual-mode balanced amplifier ZA3 is about to be released! Here are some details about this amp. It is on Kickstarter with a 48 V / 5A PSU for HK$ 900 ($115. I even found swapping to genuine NE5532 from Digi-key made my Fosi Audio Tube preamp sound even better and punchier. Now Fosi announced the V3 monoblocks with PFFB. As for the other photos posted, I have no idea what they're for. 2 E. Graham849. geauxwandering; Oct 25, 2024; Amplifiers, Phono preamp, and Analog Audio Review; Replies 6 Views 1K. However, the Kenwood is showing its age, so I’m planning to swap some op-amps on the ZA3 to see if I can achieve a similarly warm sound. Professor Batty Forum Resident. Sep 13, 2024. amirm; Feb 10, 2024; Stereo and Multichannel Amplifier Reviews; 34 35 The budget option is Fosi v3 or ZA3. Thread starter amirm; Start date Nov 21, 2024; Rate this DAC: as it has been and as many other brands have been on ASR. amirm; Apr 1, 2024; I have their other products and I just leave them on - the ZA3 and the ZD3. 2Vrms) or a phone (200uVrms) - so I have no complaints about the I was trying a comparison between my Fosi Audio ZA3 and SMSL AO200 amps combined with a SMSL DO300 DAC and Totem Skylight speakers. I also have other "ChiFi" products, so my intent is not to engage in political arguments here. Quite an upgrade from my Dennon S920. Joined Aug 10, 2023 Messages 17 Likes 48. Witterings Senior Member. There is no need for Fosi to go down this path, ZD3 RCA Output >> Tube Preamp RCA >> ZA3 RCA; ZD3 XLR Output >> ZA3 XLR . 99 with 48 volt power supply. From the balanced XLR input to the support for mono mode, Fosi Audio MM Turntable Phono Preamplifier. You To get the full power of the Fosi Audio V3 mono amp you should switch to the 2Vrms output of Your Wiim Ultra. --Toku from ASR . Fosi Audio Fosi Audio ZA3 Balanced Stereo JRiver Mele Quieter2 usb out > DO100 xlr > Fosi ZA3 > JBL Stage A130. Fosi Audio ZD3 Fully Balanced Desktop DAC. No, sorry, but thank you. I asked this in some post earlier to @Fosi Audio but don’t think I got any response. Forums. Joined Jan 4, 2019 Messages 1,306 Fosi Audio's First Dual-Mode Balanced Amplifier ZA3. Needs to be switched for the V3 You can check ASR ranking results and read the reviews to have the details Fosi Audio ZA3 - XLR vs. Does the V3 match Fosi v3 mono, first product video trailer: Brilliant. This time, Fosi has evolved in the packaging and offers us a nice package, Easy to use, responsive and well finished, it is the ideal companion for a Fosi ZA3 or a pair of V3 monoblocs. Doodski; Jul 1, 2024; Audio Electronics and Hardware; 8 9 10. Replies 714 Views 210K. I can respect that. Poll; Fosi Audio V3 ZA3 is more than just a product; it's the crystallization of joint efforts between Fosi Audio and our users. New posts Search forums. 99) of new samples of the ZA3 amplifier in select configurations - with or without a 32 or 48 volt power supply unit - on Ebay: - XLR/TRS: Balanced input accepts XLR as well as 1/4 TRS [@Fosi Audio It is really worth mentioning on product pages that ZA3 accepts 1/4 TRS balanced input, currently its XLR only everywhere] - Sub Out: Fosi ZA3: Aiyima A07 Max: Summary: Stereo Amplifier with balanced and unbalanced inputs Fosi Audio ZA3 Amplifier Review. Joined Sep 20, 2020 Messages 118 Likes 66. Again the ZA3 is louder as previously determined. @Fosi Audio I would suggest creating a pure power amp w/o any volume control etc. S. It was sent to me by the company and costs US $149. It is my pleasure to recommend Fosi Audio V3 Mono amplifier. Il intègre deux puces d'amplification TI TPA3255 lui permettant de délivrer jusqu'à 2x150W The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. Its ability to run cool, coupled with its mono block support and balanced input options, positions it as Fosi Audio offers the option of ordering a ZA3 amplifier without a power supply unit for $109. Dynamics felt better, bass felt more defined and the upper midrange seems to have more air. Joined Mar 27, 2022 Messages 1,085 Likes 3,285 Location Milano Italy. Only thing left is to get Dirac Live working, which hopefully will be soon. 99 'refurbished' WiiM Pro to signal the 12 volt trigger input of my ZA3 to power up or down in a secondary location, Greetings! We're happy to share with ASR members that our first dual-mode balanced amplifier ZA3 is about to be released! Here are some details about this amp. -----As always, questions, comments, recommendations, etc. It measures nice in one metric but has little use since it just a DAC. But I think the hiss comes at that end of the chain with the Fosi amp. My power needs are 130w (per speaker/Channel) Peak at 6 ohm. amirm; Oct 3, 2024; Amplifiers, Phono preamp, and Analog Audio Review; 4 5 6. I've been using a ZA3 for all of 5 hours, to date, in a secondary location where critical listening isn't practical. (cube audio and qualio) prefers the za3 amp with his qualio iq speakers over the $5. Review Index. The subwoofer sounded wrong with the ZA3 as expected since I changed the phase for the monos. Hi all - I've got a pair of ZA3 amps from Fosi that I picked up from their kickstarter campaign. Mac mini --> Dirac Live --> Peachtree Audio 'Carina' integrated amplifier --> Revel F206. Dec 12, 2024. I still think Fosi has the best looking stuff and I liked the direction they were going with the V3 and now ZA3 in terms of quality parts, but due to my experience I don't think the actual manufacturing quality matches their apparent design quality. We have received a lot of advice that we should incorporate balance input/output to an Right now I'm trying two ZA3's in dual mono. A I had a chance to use Fosi Audio's ZA3 prototype, and I immediately did a quick test. It's unfortunate that this happened to you but hopefully contacting Fosi Audio will bring about a satisfactory resolution. That's ASR mission, to show the truth. Review Fosi Audio ZA3 - XLR vs. Replies 719 Views Fosi Audio ZA3 Amplifier Review. Both the Fosi V3 and the Aiyima 07Max (and now Fosi ZA3) use NE5532 chips. The one Fosi Audio ZA3 wouldn't be enough for both channels since it can only output 140w combined @ 4 ohms. I feel shortchanged and/or buyer's remorse ( probably a bit of both and may be unjustifiably ) Can someone add fuel to the fire or probably extinguish the anguish V3 Mono は、世界中のオーディオマニアのために Fosi Audio によって開発された強力なモノラルパワーアンプです。高出力と優れた性能により、2～8Ω のホームオーディオ HiFi パッシブスピーカーを楽々と駆動できます。AVR と統合して強力なホームシアターシステムを構築するのに and, when i reference more expensive amps, i was referring to a youtube video where the designer of qualio and cube audio speakers prefers a pair of za3's to a $5k naim integrated to drive his €6. Poll; Fosi Audio V3 Mono Amplifier Review. Poor (headless panther) Votes: It's a $30 difference between the za3 and the v3 on the fosi website, with the same power brick, either 32v or 48v. www. So I was thinking of buying Power amp for my speakers, here 2 Aiyima A07 Max costs the same as A Fosi Audio ZA3, so which one would be better?, I would use the Aiyima A07 max as mono blocks. ampguy Senior Member. Speaker location: center along the I also like the audio taper of the Fosi like the V3 I have, as the A300 has the chintzy linear non-audio rotary dial, and basic remote for volume. Using RCA, you get similar performance but gain is a bit higher: View attachment 348775 This nicely lands ZA3 above average of all amplifiers tested regardless of price and almost next to its V3 sibbling: Seen @ Fosi Audio site: * V3 specs: Power 300Wx2 @4Ω, SINAD 88dB, THD 0. it sounds so nice. amirm; Feb 10, 2024; Stereo and Multichannel Thank you for purchasing the Fosi Audio ZA3 balanced HiFi Class-D power amplifier! The ZA3 is a meticulously crafted high-performance balanced power amplifier designed with users' needs deep in mind. But they, Fosi v3 mono, do their job very well that running a bit hot doesn’t bother me much, but doesn’t mean it won’t others. Thread starter amirm; Start date Feb 10, 2024; Rate this amplifier: 1. It also has both XLR and RCE Fosi was very good about sending out a new board part. So jumpy-up 8 pin Op Amps for "rolling". 99 USD Regular price $109. I have the Fosi V3 and Aiyima07 MaxI prefer the 07Max. . It delivers impressive power (180W at 4 ohms), generates virtually no heat, is light and compact, According to ASR, supposedly the gain was increased, but Amir said the measurements were worse, so the gain was decreased (moar feedback). V3 stereo still seemed to have more treble. The Fosi and the other amplifiers were driven with a Rogue Audio RP1 preamplifier, the Fosi volume control was left at maximum. The Fosi Audio ZA3 has a little more heft to it than similarly-priced Topping PA3s amplifier. No 180W "Hifi watts" delivered here. I paired it with Fosi Audio V3 mono amp. erinsaudiocorner. the sound is better using the analog volume control, but there are two volume Fosi Audio ZA3 out. Test setup Room: 13 x 16 ft untreated + a stairwell, kids toys all around the room. Dual-Mode Innovation: This new generation mini amplifier offers both stereo and mono modes, adapts flexibly to your diverse needs, allowing seamless mode switching. fr 119€, VAT inc, with 48V/5A PSU. I felt a great improvement overall. RCA. Although balanced connections don’t guarantee the best sound possible, most DACs costing less than $800 with both balanced and single-ended connections tend to have better balanced analog output circuitry. Fosi Audio ZA3 Amplifier Review. 005% Since you need at least 130w per speaker, only two Aiyima A07 Max amps could work here because each one can handle up to 166w @ 4 ohms. Joined Jan 26, 2023 Messages 12 Likes 25. PA5 vs Fosi: The PA5 is a little better than the Fosi distortion-wise, but the Fosi has PA7 levels of power. But too many times on ASR people have no self-awareness of their OCD. 775v. rhing, Jan 1, 2024 #3. Nonetheless, this is not a large amp by any means and far from being as big as other amp/DACs that we have reviewed from SMSL , xDuoo , FX-Audio , Burson Audio or Mytek . amirm; Sep 15, 2024; Stereo and Multichannel Amplifier Reviews; 62 63 64. Joined Feb 19, 2022 Messages 346 Likes 150. Poll; @Fosi Audio Some additional information might be helpful on the product page: The product page has loads of information, however adding the following might be helpful as well: Does HDMI ARC input works with HDMI 2. But returns are an advantage on Amazon. he has no reason to push these inexpensive amps. Everything is as good as you could possibly want. I like your idea of going Here are the standardized ASR responses to these questions: You do not need to do this because, as per Amir’s testing, leaving the volume dial on the ZA3 at maximum will allow you to use the amplifier at its maximum SINAD. I'm seeing a strange issue when I use them in mono mode, however. Poor (headless panther) Votes: I am using the 12 volt trigger output of a $99. I don't know, however, if this is a limitation of PBTL or the fact that each ZA3 already has two tpa3255s connected in bridge mode, not allowing this to be done a second time with another ZA3 to double the power. Snuffalo_Bill Member. Obviously the latter would have more power and is technically superior. Thread starter amirm; Start date Apr 1, 2024; Rate this amplifier: but for ASR reader base more like 80% XLR if I had to guess. G. But both the PC and Wiim have separate level output controls so they not. velo_TX, Feb 11, 2024 #79. This is a review and detailed measurements of the Fosi Audio ZA3 stereo Greetings! We're happy to share with ASR members that our first dual-mode Ce petit amplificateur intégré Fosi Audio ZA3 à la particularité de pouvoir fonctionner aussi bien en mode stéréo qu'en mode mono. This is a review and detailed measurements of the Fosi Audio ZA3 stereo amplifier with balanced XLR inputs. PA7 vs Fosi: Similar power, the PA7 is cleaner, but costs more than twice as much. WANTED: Happy members who like to discuss audio and other topics related to our interest. 003%, Based on the values published at the Fosi site, Fosi ZA3 amplifier will be a worse amplifier than the Fosi V3. i almost couldnt belive what i was listening at first because those elacs all of a sudden sing, wich they never did on the old denon avr. I came to ASR because I thought people would be able to articulate the benefits of something they are making a Fosi Audio ZA3 Amplifier Review. OhioHead likes this. I believe Amir measured So i sent back my Fosi ZA3 a few week ago and bought a Aiyimia A07 MAX, i have the exact same issue with both speaker and it's always the right chanel that drop, i also found that when crancking up the volume a little bit i've just started reading the asr reviews, and haven't seen that. The more expensive option would be an Ncore/NcoreX/Purifi amp (from Buckeye). Petevid. Thank you Brian, I will look forward to the Fosi Audio ZA3 model with 48v power supply, that will give plenty of headroom I believe and a future proof amplifier as well for new speaker if I decide to have another set. SMSL DL200 -> Fosi Audio ZA3 (Sparkos SS3602 op-amps) -> ELAC Debut 2. 1 eARC than normal ARC. New Fosi Audio ZA3 Amplifier Review. 99 Fosi Audio ZA3 Balanced Stereo Amplifier Mono Amp This new generation mini amplifier offers both stereo and mono modes, -> Sparkos Labs SS3602 Fosi ZA3 + Sparkos Op-amp - The real deal - Don't miss out !!! mati, you posted this in the other fosi za3 thread; i asking the Reviews. sparkoslabs. I would like to use the ZA3 operating in stereo mode via the XLR input. Compact design with 3. Mine were China-shipped because I ordered direct, the crowd-funded stage of the ZA3. nl. Experiencing digital glitches or echo. The included power adapter is 48V/5A. •Mode: Stereo, Mono •Input: RCA, XLR •Output: Speaker Out, Sub Out •Amp Chip: Texas Instrument TPA3255 •SINAD: 88dB •SNR: ≥106dB •Dynamic Range: ≥106dB •THD: <0. Hi guys! Need some help) I bought ELACs dbr62 and i have Scarlett solo 4gen, planing to buy Fosi ZA3. I bought the 48V power supply and paired mine with an SMSL DL100. Poor (headless panther) Votes: That's why a 130db SINAD DAC is some typical ASR product. amirm; Feb 10, 2024; Stereo and Multichannel Amplifier Reviews; 34 35 36 I’ve read through this whole thread and didn’t see a definitive answer to this: the way that the ZA3 is designed, would the sound be cleaner with the volume attenuator maxed out than set somewhere in the middle, the other way around, or no difference either way? Sorry if I somehow missed it. It is equipped with two Texas Instruments TPA3255 amplifier chips which allows it to output max power up to 2×155 W (in stereo mode) or 1×235 W (mono mode) @4 Ohm load with a 48V/5A power supply unit. With a 10% coupon from Amazon and a 15% coupon that I got from the Fosi website, it cost me just 110 euros with a 48v power supply. Vendor: No damage to packaging, well protected and arrived within 2 weeks of ordering. To anyone on ASR who thinks all OP AMPS sound the same, you can clearly hear differences even in this video! The NE5532 these come with are not exactly pristine quality, yet still sound overall best in this video. While saying warm or a bit hot are subjective, a quick comparison for me is Fosi ZA3 which runs just warm in comparison. Does anyone or @Fosi Audio know what the single ended RCA input impedance is on the ZA3? Thanks! Reviews. The ZD3 output has 3 pins, and the ZA3 has 1 female input pin on the XLR connector. Mar 27, 2024 #483 Fosi Audio V3 Monos, S. Links to Amir's reviews of the three: Fosi Audio V3 Mono Topping PA5 II Topping PA7 Aiyima A70 Prices are V3 Mono $260 (pair), PA5 II Plus $290, PA7 Plus $550, Aiyima A70 $220. Dec 20, 2023 We're happy to share with ASR members that our first dual-mode balanced amplifier ZA3 is about to be released! Here are some details about this amp. There are many reviews of audio hardware and expert members to I was using opa1656 with fosi v3 ever since I got the uni. Complete guess though. Fosi Audio ZD3 Balanced DAC Review. I've got four of them and use them for listening to music. Disclaimer: this is my first attempt at posting measurements. Thread starter amirm; Start date Feb 10, 2024; Rate It almost seems that it was optimised to look good on the ASR measurument protocol. Joined Jun 6, 2023 My ZA3 arrived today. EJ3. Replies 187 Views 26K. Size-wise, the Fosi Audio ZA3 is larger than the Fosi Audio V3 but the hefty 48V PSU of the Fosi Audio ZA3 might make the amp appear smaller than it is. We proudly say that every customer is a co-designer behind this amplifier. I have E50 with TRS output, might get ZA3 and test myself soon. I have used both RCA and XLR - the balanced XLR connection to the ZA3 produces the extra volume as expected and that's my preferred solution. Using RCA, you get similar performance but gain is a bit higher: View attachment 348775 This nicely lands ZA3 above average of all amplifiers tested regardless of price and almost next to its V3 sibbling: With an amp like the ZA3 and many other class D amps you have to factor in that the rated RMS power is going Fosi Audio ZA3 Amplifier Review. Poll; Frequency response of the Fosi ZA3 (48V) vs my old Marantz SR4021 while driving a Polk R200 bookshelf speaker. Dec 16, 2024. nvidia_7 No argument on some of the demerits listed for the Fosi Audio ZA3. Reactions: ASR list of known class D home audio amplifiers. are welcome. Fosi Audio ZA3 Balanced Stereo Amplifier Review. Don't get me wrong, it is a very capable and formidable audio engine. He's said they reach out to him and send products for testing and are happy to answer almost all the technical questions he has thrown at them If I get the WiiM Pro Plus and Fosi Audio V3 then I'll need to use the pre-out from the V3 to the Sub. Surprisingly, I might even prefer the sound from the Kenwood; it has a certain character that’s hard to beat. Before I get into the meat of the matter (for those of you interested in this comparison), in my opinion, the A07 Max begins life out of the box with an overall warmer audio tonality to my ears than Fosi's recent ZA3 release. It powers my 3 way towers (RF2, Bentley Acoustics) just as an update, since i wanted to go as cheap as possible for now. In past times, only very few power amps ever could go below 2 Fosi Audio V3 Mono vs BT20A Pro A/B sound comparison question. Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio 2CH Mono Amp with TPA3255 It is my pleasure to recommend Fosi Audio V3 Mono amplifier. Dual-Mode Power and Precision Engineered for the audiophile who needs flexibility, the Fosi ZA3 amplifier boasts dual-mode capability—offering both stereo and mono outputs for diverse audio setups. Nov 25, 2024. J. It seems to work really well, though I'm having the trigger issue that some people have reported. Nov 21, 2024 #234 I'm glad that I gave Fosi Audio the opportunity to address these issues and that I So I'm just here to vent my frustration. M. Anything "2 Ohm" or below means quite high currents, which could be problematic for any power amp. Nov 6, 2024. The link to their Website below explains how to replace the op amps. P. Monday at 3:58 PM The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. ArupEn; Thread; May 11, 2024; Fosi Audio V3 Mono Amplifier Review. amirm; Feb 10, 2024; Stereo and Multichannel Why you need a mono amp in your system - Fosi Audio ZA3 review . 2. Much more so than the ZA3 (which I also have in another stack in the shop), but I don't think that was the issue with the one that went down as the other one is issue free so far. I'm currently an owner of your ZA3 amplifier and as a first-time Fosi customer I am already quite impressed by this model. After some experimentation and thinking, I'm wondering if it's manufacturing variation in how the trigger is wired up in While Fosi ZA3 had slightly non-shiny matt look, Fosi v3 mono's case is shiny-er looking better than ZA3 case to me. For some ASR members XLR connections make them feel better even if there is no benefit. Sound difference between stock opamps and Sparkos night and day, in my opinion, and that of many others too. I mean the input impedance. Someone in the new Fosi thread said a new thread would appear to compare models, so here it is. Is the included trigger cable with mini mono or stereo plug? Can I use the Trigger Out from the ZD3 to control two ZA3 amplifiers? Can I receive the ZD3 DAC with the 4580D op-amps pre-installed? The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. View attachment 348770 The amplifier has really dressed up from its earlier origins of common enclosures in budget class amplifiers. amirm; Feb 10, 2024; Stereo and Multichannel Amplifier Reviews; 34 35 36. The Fosi Audio MC351 is probably not intended to please critical audio connoisseurs. etherealshadowkaizer Fosi Audio LC30 Speaker/Amp Switcher & Meter. Seen @ Fosi Audio site: * V3 specs: Power 300Wx2 @4Ω, SINAD 88dB, THD 0. Consumers do not typically perceive gadget features, lower specifications, and higher prices as innovation. Humon Member. Poor Some people suggest that Fosi made the amp to pass ASR tests and if the company sends the unit to you, that's more possible than Fosi Audio ZA3 Amplifier Review. Since this amp shipped in the second Fosi Audio ZA3 Amplifier Review | Audio Science Review (ASR) Forum . 900,00 qualio iq speakers. OP . Good engineering is what truly constitutes innovation. Its ability to run cool, coupled with its mono block support and balanced input options, positions it as a competitive option in the audiophile market. I'm using the optical output of the Wiim. Forum Donor. Both sounded great. ”For those who want to do just that, it is difficult selecting which op amps to “roll with”. Reactions: Power Pop 23, Jacob8275 and NoMoFoNo. Tuesday at 1:51 PM. M. Redman43 Member. I have not had any problems. Some thoughts and comparisons follow. Replies 719 Views 218K. christian. My subwoofer is connected directly to my DAC through the RCA's. Comments on this video. Math is not an optional descriptor. Fosi Audio Another member of this forum requested help with installing a pair of MUSES02 op amps into a Fosi Audio ZA3 amp he ordered over a month ago. N. they have I have the volume at about 60% on the Wiim / PC. Fosi Audio Product User Instruction ZA3 . Vendor: Typical Fosi Audio build quality. ) It's back in action. Thread starter Fosi Audio; Start date Oct 10, 2023; For me, za3 is only interesting because it has 12v trigger. It appears Fosi Audio replied the next day to rectify the situation on the ASR link provided. Steamrolly; May 25, 2024; Stereo and Multichannel Amplifier Reviews; Replies 9 Views 4K. I used Topping's E30ll and E50 connected to the PC via USB as input sources. 0 B6. Thread vs the za3's 89db, but distortion specs are half, snr is 4db better, and power is 50% more. Jun The balanced input connector on ZA3 look similar as used by topping on LA90/PA7 which accepts XLR as well as TRS. Therefore, an audio company should focus on providing genuine value to the customer. E. Replies 719 Views This small Fosi Audio ZA3 integrated amplifier has the particularity of being able to operate in both stereo and mono mode. Fosi Audio would have zero reason to mess with their test setup in order to get a fake result. Poll; Topping B100 Amplifier Review. SU-1, WiiM Pro Plus, QUAD 66 Pre + QUAD 306, Dynaudio Contour I know it's ASR and much of what we discuss comes from testing and included graphics, The Fosi Audio ZA3 on Kickstarter - $109 with 48v Power Supply . The V3Mono amps run warm. JCarp Member. 2 / SUB1010. I set the max level on the amps and then control the volume with the dac. com A. Replies 719 Views 219K. i grabbed a used kenwood KA3020 in a nice condition for 28 Euros. Desire to learn and share knowledge of science required. Regardless of the power of the source, if it is supplying energy to just one channel instead of two, the gain should exceed around 20% at 8Ω with a 48V and 5A power supply, for example. It would be great if there was the PFFB, as Toku mentions, I ordered a 48v/5a Fosi ZA3 amp from Amazon and was pleased to learn that it would support 2ohm but I don't know, if that is what Fosi Audio means by its descrption. (ASR cut it's teeth on bench testing DACs). R2R DACs, rolling op amps, Fosi Audio ZA3 Amplifier Review. I'm Dear @Fosi Audio Team, I'm an audio engineer-technician-enthusiast and came here via the AudioScienceReview (ASR) Forum. What's new. Fosi Audio 7th Anniversary Celebration Invitation! Fosi Audio; Sep 13, 2024; Desperate Dealers Forum; Replies 0 Views 962. "at least" means, Fosi Audio ZA3 Amplifier Review. Performs as well as ASR theCheapAudioMan claim. Fosi Audio had to balance innovation with marketing for both the Chinese and global markets. @Fosi Audio - Any update for us regarding a multi-input solid state preamp in the V3 series? JRiver Mele Quieter2 usb out > DO100 xlr > Fosi ZA3 > JBL Stage A130. 99 USD. Here is the description: When I connect either amp to a source (I've tried both RCA Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio 2CH Mono Amp with TPA3255 Chip. The Fosi Audio ZA3, like their V3 Class D amp, has 5 sockets for plug-and-play op amp installation. com "Fosi is a great little amp that can put many multiple thousand $$$ to real shame. 1 eARC connections as well> This might be important as all new TVs now have HDMI 2. S. If you mean input sensitivity then 0. Fosi Audio ZA3 Measurements Let's start with our dashboard using XLR input: View attachment 348774 This is the level of performance I expect. Fosi Audio's First Dual-Mode Balanced Amplifier ZA3. Steamrolly; May 25, 2024; Stereo and Multichannel Amplifier Reviews; Replies 9 Views @Fosi Audio Some additional information might be helpful on the product page: The product page has loads of information, however adding the following might be helpful as well: Does HDMI ARC input works with HDMI 2. - XLR/TRS: Balanced input accepts XLR as well as 1/4 TRS [@Fosi Audio It is really worth mentioning on product pages that ZA3 accepts 1/4 TRS balanced input, currently its XLR only everywhere] - Sub Out: Fosi ZA3: Aiyima A07 Max: Summary: Stereo Amplifier with balanced and unbalanced inputs This small Fosi Audio ZA3 integrated amplifier has the particularity of being able to operate in both stereo and mono mode. In stereo mode, it delivers a robust output of up to 180W, while in mono mode, the power soars to a maximum of 235W. Audio Company. Can the above operation work? If so, then answer Q 2. I only touch the ZA3 volume knob when I want to put it in standby mode. If there is anything else similar with trigger support, let me know. 99 to $107. Fosi Audio Senior Member. Using a dB meter, I wanted to compare volume variance between the two amps, XLR and RCA inputs and a couple pairs speakers but found something unexpected (to me anyway). Click here to have your audio equipment measured for free! Forums. I have an Fosi Audio V3 on the way. dpuopolo Member. Fosi ZA3 + Sparkos Op-amp - The real deal - Don't miss out !!! Interested in Sparkos Opamps - visit www. Joe Smith Major Contributor. It sounds like you encountered the classic infant mortality. Planned use this audio system for gaming and music. It incorporates two TI TPA3255 amplifier chips enabling it to deliver up to 2x150W or 1x240W @ 4Ω. Thread starter Redman43; Start date Dec 20, 2023; R. shellz New Member. All this happens as some TPA3255 boards start to measure really well here at ASR (for instance: 3e audio TPA3255 260-2-29A). Review from Amazon of 07MAX from one that have all tpa3255 amps. Fosi Audio Support; Specific FAQs; ZD3; ZD3. I also wanted to control the ZA3 through a smart plug, but I read a thread that said if you cut power to an amp that is on and then reapply power, the amp will be in a powered down state. Do I buy an XLR to TRS cable(*) to setup a balanced mode The Topping PA5 II and the Fosi Audio ZA3 have 12 volt trigger inputs. It seems that a v3 of a couple of ZA3 should still deliver plenty of power for my typical use case (moderate volumes @ 3 meters with a variety of speakers). We always look forward to co-creating amazing audio gear with audiophiles. View attachment 336026. The amplifier has really dressed up from I would have a hard time comparing a 3E Audio module or even a Sylph Audio to this Fosi with all due respect. by David Mellor . I will be testing this DAC on my desktop with Roon from my laptop USB out to the ZD3 then XLR into my ZA3 Mine just came in. Joined Nov 21, 2024 Messages 1 Likes 1. The package sent by Fosi Audio took 10 days to leave Shenzen and arrive at home in France. This also explains why ZA3's mono mode uses the right channel instead of L+ and R+. The Fosi Audio ZA3 is a compact integrated class D amplifier that can operate in both stereo and mono mode. L. Question to @Fosi Audio , will you share specs/tolerances Reviews. •Mode: Stereo, Mono •Input: RCA, XLR •Output: Speaker Out, I have no complaints about the RCA inputs of the Fosi ZA3, they will probably be used to connect low-power sound sources, such as a laptop (1. Its ability to run cool, coupled with its mono block support and balanced input options, positions it as This is a brief review of the Fosi ZA3, an affordable TPA3255 based class d The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. Tried putting in opa1612 today. DVDdoug. Not as much difference vs the V3 monos. What I do know for certain is that tested units have components that appear different than beauty shots by Fosi and that there are those who maintain that fact Fosi Audio ZA3 Amplifier Review. magic DAC. Fosi Audio ZA3 - XLR vs. ZA3 slightly louder at same preamp level. Talisman Major Contributor. Fosi Audio. Replies 105 Views 26K. 32). Replies 714 Views 212K. (at least per mfr; it seems asr's/amir's v3 measurements indicate the specs are optimistic? i've Fosi Audio ZA3 Amplifier Review. Same SINAD as the V3 (88 dB), but more power: 180 W into 4 ohm vs 141 W for the V3. Joined This is another thread to make Fosi Audio closer to users. 5MM AUX and RCA output. Pair two ZA3 units in mono configuration to create a powerful audio system, The way Fosi implemented the mono mode (PBTL) in the ZA3 does not allow for a large gain in power. c . My ZA3 just arrived minutes ago and at this point I'll leave it in the wrapper and return it if I can't get any support from them for this unit. In France, Fosi Audio is discounting the price (ranging in price from $87. The magic of the TPA3255 chip continues. This is a review and detailed measurements of the Fosi Audio BT20A stereo class D amplifier based on TI TPA3255 IC. @Fosi Audio, please clarify I’ve paired it with both a Fosi ZA3 amplifier and an older Kenwood KAF-3010R. Well, that's my initial reading, I may have made errors, for which I humbly apologise (that sounds a lot nicer than E&OE). 99 USD - $149. Fosi ZA3 + Sparkos Op-amp - The real deal - Don't miss out !!! View attachment 353709 View attachment 353710 View attachment 353716. 7k naim supernait 3. Using RCA, you get similar performance but gain is a bit higher: View attachment 348775 This nicely lands ZA3 above average of all amplifiers tested regardless of price and almost next to its V3 sibbling: Fosi Audio has a new amplifier coming out, the ZA3. Sale price $109. Does that preclude me from making the most of the parametric EQ settings in the WiiM at all? Could I still set a LPF and HPF or would the V3 stop that in any way. I might miss EQ on the ZA3 as I like E2 (SDB) on the A300, especially at very low volumes, but Fosi ZA3 Setup. In comparison to the highly regarded V3 and ZA3 amps, I can see Fosi made some compromises to add more features and convenience. Thread starter etherealshadowkaizer; Start date Jan 23, 2024; Tags fosi za3 wharfedale diamond 12. Sold Out Vendor: I would have a hard time comparing a 3E Audio module or even a Sylph Audio to this Fosi with all due respect. Joined Jun 12, 2022 Messages 376 Likes 204 I've emailed Fosi 3 times to two different email addresses and can't even get a response. Regular price $109. My budget is limited by now, Obviously my technical knowledge on the subject is limited, but the explanation about the small power gain when using the Fosi ZA3 in bridge mode still hasn't convinced me. audiophonics. W. Did a compare between the V3 stereo vs the ZA3. Wasn’t clear than any of the discussion on this topic was definitive to me. Using RCA, Since this is ASR, I won’t speak to any difference I may or may not Fosi Audio's First Dual-Mode Balanced Amplifier ZA3 Just got this little one from amazon. Transparency: Here the Fosi is good, in the same league as the Khartago, transparency was good enough to feel at home in the system and noticeably better than the adcom. Here on ASR, the criteria is I found this in the text on the Fosi audio web site page for the ZA3: Dual-Mode Innovation: This new generation mini amplifier offers both stereo and mono modes, and adapts flexibly to your Fosi Audio's First Dual-Mode Balanced Amplifier ZA3. Replies 1K Views 188K. I had ordered a couple pairs of op amps from Fosi Audio to try out in the ZA3: Nisshinbo MUSES02; Burr Brown OPA2134; View attachment 3082479 View attachment 3082475 After managing to open up the chassis, I noted the orientation of the stock TI NE5532 op amps at the TPA3255 Class D amp's inputs. Are they somehow linked to the bad RCA? Fosi Audio ZA3 Measurements Let's start with our dashboard using XLR input: View attachment 348774 This is the level of performance I expect. redwun, norandorno, artfromtex and 2 I can't imagine asking for more from Fosi when it comes to such an amplifier. The Fosi Audio ZA3 exemplifies Class D done right. So couple of months back I scored the ZA3, run in monoblocks with 48V bricks. I get the hiss when I turn the Fosi amp to maximum. Joined Mar 6, Had to compare the V3 monos vs the ZA3 with the LC30. Click to expand And in one case I know of, four zeros. A. D. 1. Replies 719 Views 217K. Reactions: pandasonic. Thread starter amirm; Start date Feb 10, 2024; Rate this It's nice to see these these small Chi Fi amps being reviewed and talked about on ASR. The problems are the following: 1. Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio 2CH Mono Amp with TPA3255 Chip. Its ability to run cool, coupled with its mono block support and balanced input options, positions it as The Fosi Audio ZA3 is a compact integrated class D amplifier that can operate in The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. wgp ayshwm fbay gqardhr xemftf ireiop fkuj euxhvwu hvevr oysijq