Fosi za3 op amp rolling review youtube. It features a balanced stereo input on XLR in addition to its stereo RCA Dec 11, 2023 · Summary . Dec 20, 2023 · Always liked Fosi stuff and will most likely buy this one. •Amp Chip: Texas Instrument TPA3255. Also high pass and low pass would sum flat only if subwoofer and main speakers are time aligned, or phase is also adjustable. Tax included. 284. This is the latest TPA3255 amplifier from Fosi Audio and follows on from the amazing V3. 99, is welcomed in an inflation era where the sky doesn’t seem the limit. Apr 1, 2024 · Grand Contributor. doug s. Probably due to the high input gain on the ZA3 that @amirm mentioned. Video about it is out as well. #1. 100 F or 120 F are both very low 38 C to 49 C temps and for even a lowly domestic grade of ICs they should sustain @ ~85 C. i like my 4" thick lucite block subwoofer/midwoofer amp stands Nov 28, 2023 · Comparing the new Fosi Audio MC101 with the Fosi Audio V3 amplifier. Feb 10, 2024 · For example, at 100w of output, stereo mode has -74dB SINAD. com/courses. to/3G32V5DMy A Aug 23, 2023 · Welcome to my comprehensive review of the Fosi Audio V3 2-Channel Stereo Power Amplifier! In this video, we delve deep into the features, performance, and ov Fosi ZA3 op amp upgrade. Not earth shattering. Location. I changed the op amps in my ZA3 to some low cost ones, but an upgrade still, and it made a positive difference in sound quality. There is a $10 discount coupon right now. I didn’t hear any noticeable changes (and didn't expect) changes from replacing Feb 18, 2023 · In this review, we will get into the details of the new Fosi Audio ZA3 Amplifier - the latest TPA3255 amplifier Fosi Audio. Jun 25, 2023 · Looking at another Fosi Audio amplifier. e using it as a power amp). Don't you really need a pair of monoblocs in your system? Jan 12, 2024 · 859. 4 = -7. rhing, Jan 14, 2024. click. patreon. The FA3, driving a pair of JBL 2225 15" woofers sounds somewhat "boomy Fosi ZA3 on Amazon https://amzn. View attachment 348770 The amplifier has really dressed up from its earlier origins of common enclosures in budget class amplifiers. Last edited: Dec 12, 2023. robgnyc said: Curious if a preamp or changing OP Amps has more impact on the overall sound. It was sent to me by the company and costs US $149. 0 Amplifier Chip: Texas Instruments TPA3255 SINAD: 89dB SNR: ≥106dB Dynamic Range: ≥106dB THD: Oct 10, 2023 · In home use, with short cables connecting source to amp, there will almost never be an audible noise benefit from balanced inputs. c) it has a poor XLR implementation. The main shell has curved edges and lateral vent grids with an orange accent beneath them. MacBook Pro -> Topping DM7 8-Channel DAC Balanced -> Hypex NC252MP (Buckey AMP) Kef R11 with 2xSubs. This is a review and detailed measurements of the Fosi Audio V3 stereo amplifier. . This quite tiny amplifier is Apr 1, 2024 · Fosi ZA3 + Sparkos Op-amp - The real deal - Don't miss out !!! Interested in Sparkos Opamps - visit www. Sep 6, 2023 · Using opamps to directly drive loads they aren't designed for (C'Moy amps driving low impedance headphones) will indeed easily lead to audible (and extremely measurable) differences. Compariso Oct 23, 2023 · Fosi Audio V3 is a small speaker amplifier starting at $89, and this is my impression. Dec 11, 2023 · ZA3 Review. The amplifier has really dressed up from its earlier origins of common enclosures in budget class Apr 1, 2024 · The only way to eliminate or mitigate that problem was to turn down the volume at the amplifier, an option that is there with an integrated amp or a power amp with variable gain (like the GCC-100 I was using before) or volume attenuator (like the Fosi ZA3), but setting gain/volume down and using a much higher volume range/setting at the DAC Feb 10, 2024 · This is a review and detailed measurements of the Fosi Audio ZA3 stereo amplifier with balanced XLR inputs. Sparko’s Labs has created a family of discrete op amps in an 8 pin DIP compatible package optimized for high performance audio applications. On this amplifier is mostly used to invert the input signal. The product comes in a black and completely metallic case, with a veryminimal control panel, which includes: Volume knob with integrated pressure ON/OFF system. Also, to me the ZA3 with Sparkos' appear to draw a soundstage with more depth than with the stock opamps. to/3RJPY5Y Fosi Audio V3 48 Volt https://amzn. Experiment with compatible DIP8 dual op-amps such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, etc. Whether enhancing the soundstage of your vinyl collection or powering a home cinema, the ZA3's innovative features, including its rich connectivity options and audiophile-grade Feb 10, 2024 · Fosi Audio said: Yes, it's coming soon! Lets see if it comes close to the 3e audio 260-2-29A amplifier, as this seems to be the "state of the art" for TPA3255 based amplifiers. Would be a great feature if unmuting was instant but as it is it Eversolo AMP-F2 vs Fosi ZA3 - I'm going to keep this Class D amp Today we are testing the difference between new Eversolo AMP-F2 D-class amplifier and the Jun 20, 2023 · 242,226. No internal fuse I can see. #353. to/3v67GsWFinally a mini amplifier company is listening to us. Regarding this ZA3: a) it measures worse than the V3. Jun 20, 2023 · The Fosi V3 comes with 2 "NE5532" which seems to be fake. •Mode: Stereo, Mono. 99 with the 48 volt supply. Apr 19, 2024 · Elevate your audio experience with the Fosi Audio ZA3 Balanced Stereo Amplifier. If your DAC or preamp already has tone-tuning functions, there is no need to roll the op-amp. 31K views 1 month ago. Jan 4, 2024 · Paralleling, as this amp does, results in each side seeing double the speaker impedance. I was lucky to receive my ZA3 early via their Kickstarter program with the 48V power supply Dec 20, 2023 · Jan 26, 2024. Feb 10, 2024 · The Fosi builds volume quickly when connected to my CD player's line level outputs. Music: Bluesound Node 2i, MiniDSP Flex HT, Boxem Arthur 3409, Focal Kanta no2, dual SVS SB1000 pro. to fine-tune your sound to perfection. to/49iotbnIf you want to learn about DIY Audio : https://audiojudgement. PBTL Mono Mode Support. Op-Amp Rolling: SS3602, MUSES02, OPA2134PA. The front panel of the amp has 2 switches and a big orange metallic knob while the back panel holds all I/O connectors. 5dB allowing him to keep the volume control lower on his preamp. That application (and high gain pre-amp circuits) is where the 'op-amp rolling' comes from. What is in the Box, internals and overall Build Quality. Question to @Fosi Audio , will you share specs/tolerances for suitable replacement op amps? Assuming there are alternatives that offer pure sonic differences. Compared to a similar Class D amp that I modified, the Aiyima A04, this amp has a more solid foundation with a more stable image and deeper soundstage. Price goes up to $109. $129. redirectv. Jun 20, 2023. 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. igeekphone. html Images sou 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. Completely subjective two-cent perception here, but when I changed my ZA3 opamps to the Sparkos', my first impression was that these play quieter than the TI's. 8dB and at 20kHz it's -3. which is why i scarfed on a local equipment stand i found on f/b, offered at a great price shortly thereafter: three shelves instead of two; which for me, was a substantial improvement, (as shown in the 1st pic i posted), and i'm perfectly content. 🔥Fosi Audio ZA3🔥Power Amplifier ClassD 2 Channel ชิป TI TPA3255 ปรับโหมด stereo และ mono ได้ ชิป TI TPA3255 กำลังขับสูงสุด the fosi audio za3 amplifier is a future generation amplifier, has specifications of 2X155W in stereo mode and 1x235w in btl modepurchase link:Official site: Feb 10, 2024 · The RCA out goes to a 12" sub with the cross over set at 65Hz. The op-amp amplifies the difference between the two signals, while rejecting any common-mode signals that are present in Jun 19, 2023 · Listen to the V3 with different dual op-amps socketed and experience the changes in sound! The demonstrated op-amps include NE5532, JRC4580D, Sparkos SS3602, Mar 16, 2024 · The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. This is much easier for most amps to handle. Jan 26, 2024 · The BT20A Pro added the iconic copper coloured volume knob and Fosi realized that customers were very interested in Op-Amps. to/3RKX2jXAliexpress - https://s. If I don't connect pre out to sub woofer amp distortion exists. b) it costs more than the V3. This new model just released, the V3 features quality components, swappable opamps and a better thermal design. This works really well and sounds great, however, the mains are playing at full range, as is the Buckeye amp driving them. fr. comLicense code: FJU1ZCXJVIGGOCUF Dec 20, 2023 · IMO, moving from the ZA3 to V3 Monos won't provide a large enough boost in SQ to make it worthwhile. My experience has been that the Fosi (both V3 and Za3) sound better with a preamp feeding the Fosi with the Fosi's volume full up (i. com/products/fosi-audio-za3-balanced-dual-mode-class-d-amplifier?sca_ref=5031967. In fact through the entire power range, right up until 200w, mono mode has a much more stable and better SINAD. In a couple of years there will be quite a few small class D amps with pre-amp ability, wifi streaming, hdmi eARC, etc. Dec 20, 2023 · Overall, it sounds pretty good, but a/b-ing with the RA150, the Fosi ZA3 sounds “wetter,” while the Alesis definitely has a drier, crisper sound. Shipping calculated at checkout. "Fosi is a great little amp that can put many multiple thousand $$$ to real shame. It was sent to me by the company and costs US $89. - XLR. As of this writeup, the MSRP is approximately $150 Feb 1, 2024 · The Fosi Audio ZA3 is a compact integrated class D amplifier that can operate in both stereo and mono mode. It should be easy to pair The Fosi Audio ZA3 has a clean and modern design with a rectangular and short form factor. Feb 10, 2024 · As for $100 "entry-level" integrated amps from back in the day, IIRC they were pretty much crap -- just good enough to avoid staining the reputations of their makers and way short in power and S/N compared to today's sub-$100 TPA3255 chip amps. com/virtualhifi (affiliate link, no additio Fosi Audio is excited to announce the release of its latest product, the ZA3 balanced stereo/mono amplifier, a cutting-edge addition to its high-quality audio equipment lineup. page/e62f13d86eBuy the BT20A Pro (affiliate link): https://amzn. These devices are drop in replacements for many common, yet inferior audio op amps and are uniquely compensated for trouble-free swap out into virtually any circuit. Overall, the amp looks aesthetically Apr 29, 2024 · Is a stereo amp good enough for your speakers, or should you go mono? I’ve been testing with the Fosi ZA3 over the last few weeks, and this is the last quest Apr 1, 2024 · Fosi v3 mono, first product video trailer: Brilliant. Jan 25, 2024 · review. It is not really about sound quality but about features. ly/za3influtrack Buy it here: https://amzn. I've dedicated significant time to educating myself on audio equipment, ranging from $5 vacuum tubes to RCA and power cables costing hundreds of dollars, even though some might consider them snake oil. I received my via their Kickstarter program at roughly $125 with the 48V power supply but it now appearing in other retail stores like audiophonics. Learn more about the V7 op-amps here: https://www. 139 reviews. Following the same procedure, at 10k the power delivery is -4. Seattle Area. The detail was there, but some aspects of the music (such as the hi-hat on the right channel in Dreams) didn Join my mailing list: https://forever-analog. Fosi includes balanced inputs, Volume matched demo between the:- Fosi ZA3 Dual Mono with all stock NE5532 OpAmps- Fosi ZA3 Dual Mono with SparkOS SS3602 in the L/R + NE5532 in Sub OpAmp So Here is a simplified example of how an op-amp can be used to cancel out interference when summing the two signals from an XLR cable: The two signals from the XLR cable are fed into the two inputs of a differential amplifier. Dec 20, 2023 · Dec 20, 2023. Repost from: https://www. 2) the price/performance factor is scary. Compared to the Pass DIY Sony VFET Class A amp and the McIntosh MC-240 tube amp, the Fosi ZA3 is a bit less refined, but this is with direct comparisons. comAMP: FOSI ZA3 + Sparkos Opamps in Dual M Nov 15, 2023 · if you were looking at the 2nd pic, when i was measuring, i agree, it looked messy. Its price, a grounding £149. Dec 11, 2023 · This small, compact and powerful Fosi Audio ZA3 integrated amplifier has the particularity of being able to operate in both stereo and mono mode. I can't see any evidence of anything obviously burning out. Apr 1, 2024 · Fosi Audio ZA3 Amplifier Review. 99 USD. This has already happened inbetween songs on an album, thus cutting off the start of the next song. •SINAD: 88dB. So, it takes 28. The Fosi Audio ZA3 is an impressive amplifier, offering high-quality sound, versatile features, and efficient operation. ly/fosiaudiov3monoGet the new Fosi V3 Monoblock Oct 10, 2023 · 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. qualioaudio. And advise which V3 op amps to roll, as Dec 20, 2023 · Jan 28, 2024. Read my written reviews with scores at https://iiwireviews. to/4a52cy6**As an Amazon Associate I earn from qualifying purchases** Check out Amazon Music HGD https://amzn. An opamp is a small voltage or signal amplifier. My personal OP amp preference for the Fosi V3 are Ti OPA1656 but others have different preferences. The on off switch shows 2. The standard op-amp in V3 Mono is the NE5532, which is known for its ability to reproduce sound in a true and natural manner without altering the original timbre. com/products/fosi-audio-mc101-bluetoot Feb 10, 2024 · The RCA out goes to a 12" sub with the cross over set at 65Hz. Jan 1, 2024 · The midrange is clear and smooth. If I connect preout cabel to subwoofer amp still distortion exists. From dual-mode versatility to audiophile-grade components, this amplifier offers rich connectivity, advanced heat dissipation, and enhanced scalability. I received my via their Kickstarter program at roughly $125 with the 48V power supply. My first thought was that they sounded "wet" compared to the Alesis RA150 bridged mono amps that they replaced. Fine-tune your sound with op-amp rolling for a personalized audio journey. #243. com/e/_oCb Apr 1, 2024 · 3. com/erinsaudiocornerCo fosi audio za3 disassemblyMusic by Bensound. #51. The ZA3 arrives in a larger package compared to other Fosi amplifiers. This is when I will probably upgrade. com/powerful-and-versatile-bluetooth-amplifier-fosi-audio-bt30d-pro-video-review/Many thanks to my friend Kostas Apr 13, 2024 · Join me as I put the Fosi Audio ZA3 amplifier to the test in both stereo and dual mono configurations! Experience the difference as we explore the enhanced d Feb 10, 2024 · You can buy 2 for only a few dollars more than the za3. Dirac Live with Bass Control (active crossover L+R+2Subs) Aug 19, 2023 · I've owned several other Class D chip amps in the past, including the Aiyima A07, SMSL AO200 and at least a couple different TPA3116 Topping and SMSL models. 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. They perform much better at low volumes. By Tone Deaf Monk on Youtube. which can be used in mono mode paired with another, or in classic stereo mode. But they can be replaced. Fosi Audio Official ----- [https://fosiaudio. In mono mode at 100w, you get -78dB SINAD. #59. I thought the V3 gave a smooth and slightly rounded presentation. Features. If the sound quality ramps with the price paid for the op amps then there are some Jan 1, 2024 · It will probably come down to how safe and quiet Fosi Audio can make a higher current power supply. . 5mm jack. This is a review and detailed measurements of the Fosi Audio ZA3 stereo amplifier with balanced XLR inputs. You would run this amp in mono mode to handle very low impedance speakers. Dec 20, 2023 · The product description of the ZA3 in the Fosi Audio website has this to say about the product’s op-amps: ”Personalize your audio experience with the op-amp rolling feature! The ZA3 stocks five swappable op-amps for left and right channel outputs, balanced input, and subwoofer output. Toni Mas said: I don't agree, because in order to get a flatter in room response, some fine tuned mismatch between high pass and low pass is much better. ck. Feeding the source direct to it sounds a bit dry and with diminished dynamics to my ears but a tube preamp really makes it blossom. Mar 25, 2017 · General Information. The amplifier has really dressed up from its earlier origins of common enclosures in budget class amplifiers. Feb 10, 2024 · Mar 7, 2024. com/products/supreme-sound-opamp-v7/A review of the Burson Audio V7 Vivid and V7 Classic op-amp Fosi Audio V3 32 Volt https://amzn. Looking forward to test here. to/4a9BNinBuy the ZA3 (affiliate link): https Fosi Audio ZA3 ReviewAmazon affiliate link : https://amzn. com. Unmasking The Fosi Za3 $200 Amp: Brace Yourself For The Truth! Need to get the Fosi ZA3 Amp - https://fosiaudioshop. Atoll is a good amp, but but for the genres of music that I listen to (rock, heavy metal) it's not the best choice. Fosi Audio ZA3: https://bit. I put the ZA3 back in my system, and I am really impressed what this amp delivers. Battle Of The Class D Titans: Fosi ZA3 Vs Aiyima A07 Max Sound DemoBoth Fosi ZA3 and Aiyima A07 Max are based on my favorite class D Chip - TPA3255, however I tried a couple of tracks off Rumours to get a sense of both amps ability to drive deeper bass (Dreams) and make acoustic guitar sound real/live (Never Going Back Again). Apr 27, 2024 · The Fosi Audio ZA3 is a decent little starter amp. This Fosi V3 is the best of the bunch, a simple, genuinely powerful/useful, truthful, nice-looking and nice-sounding amp that can be tucked pretty much anywhere. This video Feb 10, 2024 · This is a review and detailed measurements of the Fosi Audio ZA3 stereo amplifier with balanced XLR inputs. to/3RYSBCqChapters00:00 Intr Sep 6, 2023 · All OP amps seem to have at least some sort of "audio" character of their own, allthough measurements don't seem to show this, but at least they give a hint. They included the specs of the four present on the board and ensured Oct 10, 2023 · Here are the reasons to choose this one over other fosi and aiyima amps: - mono mode. 99 with 48 volt power supply. Nov 26, 2023 · Just got my Fosi BT30D in the mail, and it turns out the amp has a mute "feature": if it detects no audio for a few seconds it will mute itself, and unmuting it takes half a second. 10/ (10+15) = 0. Jan 18, 2024 · A pair of Za3's with SS3602 provide higher detail, better soundstage, bass control, instruments separation. My plan is to leave it on overnight and keep it in stock configuration through Friday evening, then install the Burr Brown OPA 2135PA op-amps and repeat the process. The amplifier delivers about 8dB less power into the load compared to if it had zero output impedance. To do that use the equation: watts x resistance = sqrt (x). 5 v to ground and there is 12 v across the first cap just in from the power supply on the board but nothing after that, so I assume a component failure rather than a PSU failure ( forgive me Dec 20, 2023 · That's why I've invested over $400 in OP AMP chips and am still learning about this amplifier. com/e/_oCbAPsiFosi Audio Official - https://bit. But depending on how is implemented it can do multiple things like signal inversion, low or high pass frequency filter, etc. A casa AUDIOFILANDO è arrivato questo interessantissimo amplificatore integrato della casa cinese. Specifications Channel: 2. So jumpy-up 8 pin Op Amps for "rolling". •Output: Speaker Out, Sub Out. It's dynamic, fast and Dec 20, 2023 · I review and test the Fosi Audio ZA3 power amplifier, which works in stereo or bridge-mode mono. •Input: RCA, XLR. to/4aaT9MhWritten review/data can be found here: (coming soon)Support the cause:Patreon: https://www. ly/dailyhificrewAFFILIATE LINKS (Use our links if you would like to support our channel)Crutchfield: http Feb 10, 2024 · I just added a pair of the ZA3 to drive the woofers of my LaScala-derived, custom speakers. Buy Worldwide:https://amzn. to/3vmA6z2 Fosi Audio ZA3 48 Volt https://amzn. #62. View attachment 348770. In this case 200 x 4 = sqrt (800) = 28. sparkoslabs. The gain is also higher in mono mode by 1. It integrates two TI TPA3255 amplifier chips mounted in DIP8, enabling it to deliver power up to 2x150W or 1x240W under 4Ω. ly/41Dg7IoSparkos Labs SS360 Fosi is a great little amp that can put many multiple thousand $$$ to real shame. youtube. aliexpress. Fosi has the best price I have seem on Muses02s at $52 a pair. 96 dB. It's dynamic, fast and tight, but also has the most wonderful Purchase:Amazon - http://app. Jan 4, 2024 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Feb 10, 2024 · Feb 18, 2024. 5dB. Feb 10, 2024 · 1) I think there are very few amps with balanced inputs at this price. In my first review for AudioKarma (of many I hope), I will get into the details of the new Fosi Audio ZA3 Amplifier which has just been released. This should also boost the value of the ZA3 amp as a PBTL monobloc amplifier for driving lower impedance loads. In this review, we will get into the details of the new Fosi Audio ZA3 Amplifier - the latest TPA3255 amplifier Fosi Audio. bHKupIGyCT&sca_source=za3-inf Read the review here: https://www. 99 with stock 32 volt supply. Audio Video: MiniDSP Flex HT, Boxem Arthur 3409, Fosi ZA3, Focal Kanta no2 Become a Member of The Daily HiFi Crew: https://bit. 3) I had a V3, taken for testing, and I admit that it was a really good amplifier, not at all intimidated even with quite large speakers. Kickstarter puts the Stereo 4 Ohm Output as 180w X2 @1%, and the Mono as 240 X1. - trigger in. XLR Input / 12V Trigger in. So, two ZA3 in Mono will output less than 2dB higher volume than one ZA3/V3 in stereo. The Class A/B RA150 sound very crisp and have a damping factor of 200. It would probably put it at the top of any ranking. For example, when driving our 4ohm magnepans, each side of the amp sees an 8ohm load. The design of replaceable op-amps is particularly favored by many DIY enthusiasts. while this refers to the FOSI ZA3 audio amplifier, with integrated TPA3255 high-end Class-D amp. I think because better performance in SINAD and ZA3 has sub crossover out of the box. The range of the volume knob is more gradual with lower level sources (computer built-in sound output, Apple USB-C dongle, older LG phone with quad DAC). 284 volts of amp output to reach max rated power at 4ohms. This is a quick and easy tutorial on how to replace the OP Amps inside the Fosi Audio ZA3 amplifier. Oct 10, 2023 · Around 1kHz: speaker impedance = 10 Ohms, amp output impedance = 15 Ohms. Happy ZA3 release day! Which amp would you choose and why? Buy the ZA3: Amazon US - https://amzn. The Fosi ZA3 review shows just that. SS3602 Discrete Op Amp Review. If you are just dipping your toe into the hobby or like to be able to ‘see what’s inside’ and fancy a bit of DIY upgrading, then this is the unit for you. Rolling Op Amps in the Topping DX7 PRO. com/watch?v=YTNT4jp-Xq4&t=2sFosi Audio ZA3 is a balanced stereo/mono amplifier, a cutting-edge addition to its high-quality Jun 30, 2023 · After all they encourage op amp rolling. com/t/LQ223664Aliexpress - https://s. bursonaudio. 11/. O meglio ne sono arrivati 2 per formare una coppia di a Feb 10, 2024 · If an amp has a gain of 20dB and a max output of 200w at 4 ohms, you would first calculate what the output voltage is at 200w with a 4ohm load. Youtube reviewers say scorching hot after 3 to 4 hours hits 120 degrees, first 1 to 2 hours 100degrees. With a cross over imbedded in the DAC, or the sub out in the amp, you can alleviate the stress the lower frequencies place on both the amp and the main speakers. The TPA3255 which is a heart of this amplifier is my favorite D-class Amp chip. Buy the MC101:Official website: https://fosiaudio. com/Support Jun 20, 2023 · My setup is fosi audio p1 as pre amp, fosi Audio v3 as power amp, mb 42x speakers and I connect preamp to smartphone using rca to 3. SUPERTEST - NEW FOSI V3 MONO vs V3 & ZA3 & 5000$ & 9000$ AmpsMore info on the new Fosi V3 Mono - https://bit. Let' Nov 22, 2023 · After spending well over 600 listening hours with the Aiyima A07 MAX, the Scientific Audiophile reviews the overall listening and user experience. Does the Fosi Audio ZA3 in mono mode sound as good as an integrated amp?GIK Acoustics, global market leader for professional acoustic room treatment: https:/ Apr 12, 2024 · Fosi ZA3 vs Fosi V3 - Don't Choose Wrong Amp !SYSTEM IN THE VIDEO: SPEAKERS: QUALIO IQ - https://www. If I remove preout cabel from fosi audio v3 distortion goes away. jmwant. Fosi Audio ZA3 Balanced Stereo Amplifier Home Audio 2CH Mono Amp with TPA3255 Chip. Good thing my za3 monos are larger box and just warmer all day loads. vc xs bt nz fk ym pe do ts xo