Audio science review fosi audio v3. Apr 1, 2024 · WANTED: Happy members who like to discuss audio and other topics related to our interest. You would be fine using the v3 with the 48v power supply and those speakers. A Magnepan is not a difficult load, being primarily resistive at about 4 to 6 Ohms across the spectrum. And 10A won´t push the power (by much). Pretty much exactly what Amirs Review predicted: A steady rise between 2khz and 20khz of about 1dB or so. But maybe around upgrade time there is a better option available, but prefer not to have to change amp. Sep 27, 2023 · Fosi Audio is selling the V3 amplifier with the 48 volt power supply and Black knob for $89. Jul 28, 2023 · Fosi Audio V3 review: affordable Class D gets serious. The Wiim puts out 2Vrms and the Fosi has a ~2. (see chapter 3. I shouldn't have any issue pairing those speakers with this Amp and then connecting Jun 20, 2023 · I think Fosi made the V3 in part due to our comments here and other top audio boards about amps such as the Aiyima A07, and wanted the more savvy user to buy it. Apr 1, 2024 · I'm currently driving my ELAC DBR62 with a Topping E50 and a Fosi BT20A Pro. It was sent to me by the company and costs US $89. Bummer. This compact, powerful device is based on a TI TPA3255 amplifier chip, enabling it to develop up to 240W of power under a 4-ohm load. And according to ASR, the BT20A Pro isn't as good as the v3. Apr 26, 2023 · Fosi in future reviews of the device indicates that it will be variable depending on the front regulator. Click here to have your audio equipment measured for free! Apr 1, 2024 · Moved the Fosi LC30 amp/speaker switch to my office. So jumpy-up 8 pin Op Amps for "rolling". 4 Atmos | JBL 590 (6 bed layer) Revel C208 (center) PSB Alpha P5 (4x atmos) | AMPS for TR: 2x NX6000D + BKA-1000-4 + Crown XLS1002 + 2x Fosi V3 Mono | AMPS : Starke Fiera8 & Parasound HCA-855A (atmos) | 2 x MiniDSP 2x4HD | Kimber Kable 8PR | 8AWG wiring for all TR Jun 20, 2023 · If you check the measured specs in the review you'll see the v3 needs the 48v power supply to even hit 141w max power per channel with both channels driven into 4 ohms. Integrated amplifiers might work with lower input signal as well, as normally they have pre-amp in-built to manage input signal strength (volts). Are the V3 Monos the same size as the stereo V3? Apr 1, 2024 · The main stopper for me on this is that there is no matching solid state and multiple input preamplifier from Fosi to pair with it. Apr 1, 2024 · I enjoy the Fosi V3 Mono amps as much as I enjoy the Aleph J with the additional benefit that the Fosi amps do not generate as much heat as the Aleph J Class A amp. 5 Apr 1, 2024 · WANTED: Happy members who like to discuss audio and other topics related to our interest. 4 dB In Stereo a total of 100. Whether the improved performance of the V3 results in improved SQ in any particular system depends on the other specifics Apr 10, 2023 · This is a review and detailed measurements of the Fosi Audio BT20A stereo class D amplifier based on TI TPA3255 IC. I'm curious if switching to 2 Fosi v3 mono would make a significant change. Jun 20, 2023 · - Fosi Audio V3 - Amp only which can drive depending on 48v brick quite some watt and volume. Fosi is an online retailer as well as a manufacturer. Fosi Audio has stepped up their stereo amplifier game with the new Fosi Audio V3, a completely new design inside and out which delivers not just a more distinctive chassis design, but also improved internals that make it sound quite a bit better than previous offerings by the company, all Aug 14, 2023 · With these small black box amplifiers, Fosi Audio V3 shifts the goal posts and crams it full of all the audiophile buzz word components and features at an affordable starting price of $89, or unlocking more power at $109. I am not usually fan of tone controls in Apr 1, 2024 · Not a mistake. Functionality it is like the Aiyima A07. Apr 1, 2024 · Tuesday at 12:18 PM. A marvel really, easily able to drive not only book shelf speakers but also most floor standers with plenty of grunt and good sound. I did add Arctic MX-6 thermal conductive compound to each amp as the amps came with sparse coverage of the TPA3255 amp IC heat sink plates. 99 with the 48 volt supply. Therefore, I'm going to sit on my hands and not be an early adopter of these, as the Fosi V3 and Aiyima A07/A07 MAX amps are still fulfilling my current small amp needs. Despite its budget price, the V3 Apr 1, 2024 · WANTED: Happy members who like to discuss audio and other topics related to our interest. Nothing else to distract you. 2 speakers. Two notes: a) SINAD: a SINAD of 100dB, even with XLR inputs only, will be very difficult to achieve; with RCA inputs it would already be very good to have values higher than Jun 20, 2023 · So, I connected everything today (laptop-spotify>Topping nx4>Fosi audio>Revel M16) and I'm sensing a massive mid-bass hump. Apr 21, 2023 · Fosi Audio is releasing their new V3 amp. Apr 1, 2024 · This is a review and detailed measurements of the Fosi Audio V3 Mono class D amplifier. 4 dB. I've never tried mono amps. I recently picked up a basic, stereo, single-ended Fosi V3, and swapped it in place of my pair of ZA3s run as monoblocs with balanced connections, just to see what difference there would be. the Pioneer with my wife who is not an audiophile and she corroborated my observations (I used an SPL meter to level match the Pioneer). Oct 6, 2023 · I have a pair of Elac DBR62 and bought a Fosi V3 out of curiosity. Apr 1, 2024 · This is a review and detailed measurements of the Fosi Audio V3 stereo amplifier. When using the Oppo's analogue outputs - as one would with this Fosi amp - the Oppo's built-in volume control will work fine, no matter what input you use into the Oppo, with no need to use a second volume control in any device or software upstream of the Oppo. 4Vrms input sensitivity at 4ohm. Apr 1, 2024 · AUDIO: Denon x3800h 7. The Problem is: You will not reach more than 86 clean dB with one of these tiny speakers. Apr 21, 2023 · I am so pleased with Fosi Audio, this V3 circuit is such a step up from previous class d from many brands. Congrats on your new setup! I´d say you made a good choice. They can be expected to be capable when filling orders. It is the same device where only the PSU varies, the PSU 48V is larger than the V3. The model name is a bit confusing but oh well. There are many reviews of audio hardware and expert members to help answer your questions. The V3 stereo was louder at the same preamp level on the Wiim Ultra. It was sent to me by the company and costs US $149. Amir measured the Fosi output at 4 ohms in the 230 Watts range. As a workaround, I'm using smart plugs to manually control the V3 Mono's power. You might be hearing the load dependency as suggested by @Joe Smith but I think that is pretty unllikely. - Fosi Audio BT30D Pro - Would drive approx 90w when using the 36v /6A power supply. Jun 20, 2023 · It looks like Fosi Audio is finally entering the "Effectiveness Phase". "What products will customers want to buy?", source: The Innovator's Solution: Creating and Sustaining Successful Growth, C. Christensen + E. 99. Desktop: Topping MX3s, SMSL dl200, Guru Audio Junior+, AKG 271 Studio, Moondrop Joker, Shure SRH440. Apr 1, 2024 · But I don´t think that one TI-TPA3255 is capable of bringing 190 Watts at 4 Ohm. It was sent to me by the company. Mar 14, 2024 · Hi everybody, I have an old “traditional” integrated amplifier, Rotel RA-05, of which I’m moderately satisfied, but not super-enthusiastic. May 9, 2024 · 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. Apr 1, 2024 · Also, the sonic background of the V3 monos is completely silent whereas the Pioneer has low level noise. It is even dwarfed completely by a single ZA3. 0 B6. Aug 19, 2023 · 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. Downside is that there is no pre-out. The lower figure would need 7. I am not sure why it is on Kickstarter to launch, but I backed it since I was Feb 10, 2024 · This is a review and detailed measurements of the Fosi Audio ZA3 stereo amplifier with balanced XLR inputs. Question to @Fosi Audio , will you share specs/tolerances for suitable replacement op amps? Assuming there are alternatives that offer pure sonic differences. Desire to learn and share knowledge of science required. com Apr 1, 2024 · Sometimes it is necessary to reset your perceptions and expectations. The alternative for me would be to run the speakers with my Rotel RB-1582 but it’s already driving a pair of 4ohm Martin Logan floor standers. The older Fosi V3 stereo vs the V3 monos. Same speakers (Sony SSC-S5), but two amps. Apr 5, 2024 · I have a pair of floorstanding Monitor Audio RS6 Speakers. 1 audio. While saying warm or a bit hot are subjective, a quick comparison for me is Fosi ZA3 which runs just warm in comparison. But when all of the competing amps are pushing the high power ratings, if they don't do so, then the less savvy might not even consider the V3. I'm also unclear about a 2 things with those: Jul 23, 2024 · Main: SMSL raw mda1, Fosi v3 mono x2, TP RA3, Guru Audio Q10, Canton GLE90. View attachment 360697 I must say the concept of a "monoblock" amplifier in such a small size runs foul of any expectation a longtime audiophile would have! Apr 1, 2024 · Main: SMSL raw mda1, Fosi v3 mono x2, TP RA3, Guru Audio Q10, Canton GLE90. Apr 1, 2024 · @Bernhard23 Just read through different threads on the Fosi Audio V3 mono and You will find the "general consensus" All "phenomenons" have been described in detail, and even that problem, that not all "disturbances" have been cured by filtering the DC power input and then some are still left - more or less - probably because of interactions between both amps through the filter. 1/7. 99 with fulfillment by Walmart Fosi Audio V3 Stereo Power Amplifier Home Audio 300 Watts x2 TPA3255 Class D Mini Speaker 2 Channel with 48V Power - Walmart. The 300w x2 is just marketing hype idk what they even base that on maybe the chip manufacturer specs. The V3 monos do get hot, but no hotter than my Pioneer. I use it with Elac Debut 2. Jun 20, 2023 · No, solid state amps don't burn in. Would it be an improvement to replace the Rotel with a Fosi V3, or an equivalent modern Class D amplifier Jun 20, 2023 · I selected the V3 due to its small size, it’s power, its austere feature set and its good reviews on this forum—aside from its price, of course. Aug 22, 2024 · Main: SMSL raw mda1, Fosi v3 mono x2, TP RA3, Guru Audio Q10, Canton GLE90. Desktop: Topping MX3s, Topping c200, Guru Audio Junior+, AKG 271 Studio, Moondrop Joker, Shure SRH440. Below is a inroom (untreated room, no EQ) comparison between my Class A/B Marantz and the Fosi V3. Amp with RCA in, sub out, volume and power switch. Jun 20, 2023 · Fosi Audio V3 300W x2 2 Channel Hi-Fi Stereo Audio Amplifier This compact yet powerful amplifier delivers a maximum power output of 600W into two channels, ensuring a captivating and high-fidelity sound experience. 1. There is a $10 discount coupon right now. Portable: Moondrop LAN, Audio Technica E40, TRUTHEAR x Crinacle ZERO Red, Moondrop Chu II. Apr 1, 2024 · Fosi v3 mono is a power amplifier, and its pretty normal for a power amplifier to require about 2v input signal on RCA, and about 4v on XLR/TRS. And advise which V3 op amps to roll, as Jun 20, 2023 · With the 34 Watts per channel at 8 Ohm, which the Fosi V3 -32Volt is able to serve, You will get even 15 dB more: each speaker would get 94. That promise helped Fosi create urgency around the launch. The first post in this very thread is quoted extensively in Fosi advertising and they have credited members here for design ideas. Mort said: I have a basic math question about power. Apr 1, 2024 · Fosi Audio V3 Mono Monoblock Power Amplifier The V3 MONO is a monoblock high-power amplifier integrated with the Texas Instruments TPA3255 amplifier chip, suitable for speakers of 2Ω to 8Ω impedance. The V3 Monos are going to work fine. Sep 27, 2022 · Main: SMSL raw mda1, Fosi v3 mono x2, TP RA3, Guru Audio Q10, Canton GLE90. Jun 20, 2023 · Fosi V3 could be competing in a new market (compete against non-consumption) rather than trying to be another company in the Chi-Fi low-cost race. Despite its budget price, the V3 Apr 1, 2024 · I have been driving “diffiicult load” Acoustat Spectra 1100s in a mode of operation that results in a 1 Ohm load at very high frequencies with Fosi V3 Stereo amps with no problems. Another possibilitiy: Your Arcam Alpha 8 is a 25 year old Amp - it is quite possibly not performing as ti was when new - if it is rolling off the highs and you've become used to that then that may well make the Fosi sound bright by comparison. 99 with 32 volt power supply. Jun 20, 2023 · Do you know how this fosi would compare against the aiyima A07 Overall, the V3 measures better -- which isn't surprising considering that the A07 is a 4+-year-old design. Despite its low cost, the case gives a feeling of quality. Hats off to Fosi. It's a temporary setup (will be adding babana plugs to the speaker cables, proper stands instead of the carbord boxes the speakers came in etc) but I'm a bit underwhelmed Apr 1, 2024 · @Fosi Audio Is it possible to fix this issue through a firmware update or a simple circuit modification? While not a major issue, this behavior is inconvenient and defeats my original goal of only having the V3 Mono turn on for 5. My AVR has crapped out on me and since I only have the 2 speakers I went ahead and got the Fosi Audio V3 with the 48V power supply (Per Amir's review). There are many reviews of audio hardware and Pioneer 656 Mk II + Fosi Audio V3 + Pioneer Prologue 30 Apr 1, 2024 · WANTED: Happy members who like to discuss audio and other topics related to our interest. May 31, 2024 · WANTED: Happy members who like to discuss audio and other topics related to our interest. If I have the Wiim at full 100 / 2Vrms the Fosi Discover Audio Science Review's test of the Fosi Audio V3 Mono Class D power amplifier. For this test I have two V 3 units, a 32V version and another 48V. It was sent to me by the company and costs US $99. com Apr 1, 2024 · The standard V3 is an absurdly small device considering the immense volume levels that which it is capable of driving a pair of LS50 Metas to without distortion/clipping when paired with a 48V/10A power supply. Any thoughts will be greatly appreciated. 99 with stock 32 volt supply. With the stereo V3 clean 140 Watt may be the limit. The V3 stereo seemed to have a tiny bit more treble, but the subwoofer bass sounded better. I got the 10 amp version and using with a Wiim Ultra into 4ohm speakers. Fosi Audio is one of the few companies around today that listens to the customers, then develops a product that will change how we see class d very soon. . Raynor, Harvard Business School Apr 1, 2024 · Main: SMSL raw mda1, Fosi v3 mono x2, TP RA3, Guru Audio Q10, Canton GLE90. I blind A/B compared the V3 monos vs. Apr 1, 2024 · Just to clarify the use-case with this amp, I'm not quite sure what you're saying here. Apr 1, 2024 · Main: SMSL raw mda1, Fosi v3 mono x2, TP RA3, Guru Audio Q10, Canton GLE90. 99 with 48 volt power supply. Apr 1, 2024 · The main stopper for me on this is that there is no matching solid state and multiple input preamplifier from Fosi to pair with it. Price goes up to $109. TI Data sheet says it can do about 230W (1% THD), Fosi's table quoted above says 280W. The amplifier has really dressed up from its earlier origins of common enclosures in budget class Apr 1, 2024 · WANTED: Happy members who like to discuss audio and other topics related to our interest. #3,621. Apr 1, 2024 · Fosi v3 mono, first product video trailer: Brilliant. The price with the power supply I tested is US $139. Jun 20, 2023 · Desire to learn and share knowledge of science required. But, and this is a big but, the model to look for will be the Fosi V3 PFFB STEREO. kjbswkrgatjurznlfrzghaisrknfrxpqgcoyoqarjalbz