This Changes Everything! Free Amps!
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- เผยแพร่เมื่อ 2 ต.ค. 2024
- Get a Free Fosi Audio BT20A Pro fill out the form here forms.gle/vTs6... (winners will be notified by ****EMAIL**** COMMENTS SAYING TO CONTACT ME ARE SCAMS
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*this has nothing to do with this video but your video on the Schiit Audio MODI 3 greatly helped me and I couldn't be happier! I bought a new tv and PS5(yep.. that situation) and I needed to connect my old style rca stereo up to it like I had my old tv.. well I couldn't do that so I had to buy a DAC, ofcourse I bought that super cheap $10 jobby... the Audio was super distorted sounding and barely tolerable. I watched your video on the Modi 3 and decided to take the chance and it just arrived, I've got it hooked up and the audio is now clear and excellent sounding!*
Your channel introduced to me planar-magnetic IEM's! thank you for getting me to switch from dynamic cones to that!
Glad to help!
I really like what Fosi is making. I started out using a Lepai LP-2020a+ about 10-12 years ago back when that was pretty much the only good option for a desktop amp. It started to go out 3 years ago so I started looking for a new desktop amp. Found the Fosi Audio V1.0B. At about $50 it's great. The build quality is top notch and it looks good and of course sounds great. I use it with a pair of Micca MB42 and I've used them with Wave Crest Audio hvl-1. Very happy with Fosi
👍🏻🔈 hey Randy, would you be able to do a video on upgrading power supply’s for Budget amps? I have a SMSL A0200 in my garage system with Polk R200 and sub. But am looking to possibly get a bit more dynamics from the amp. I don’t know where to start. Thanks for the content!
I am still impressed how cool they have been with you. It should be the standard with dealing with companies but instead they are an exception, but one well appreciated. Thanks for the videos~
Rock on brother!!! The new intro is dope.
A stripped down version with a trigger input would be useful for all those who want to add channels to their AVR’s. Many AVR’s have more processing channels that amplifier channels. Easy to drop one of these in to add channels, the trigger for power would be perfect.
I just got my Fosdi TB10D and I don't think the sound is as good as my Aiyima A07 pro when turned up to higher volume. Fosdi has the 32V power supply
Nice. Looks like an A08 Pro without all the glitter.
I'm just being a pedant, but an extra 0 means 10 x different rather than 100 or even 99. Still going in the right direction though. As far as op amps go, Staccato from Poland are awesome and similar in price to Burson and Sparkos. The bloke who runs the company is super helpful also. I like Burson op amps a lot but in my Kinki Studio amp the Staccatos are more pleasing to my ears. Great video. Thanks.
Take another look at those opamps. They are probably dual i.e. stereo. One for the volume, another for the tone controls. So you can use different opamps. A sparkos and muses or whatever
Another vote for Muses OpAmps
Take these reviews with a big spoon of salt. I have this little ChiFi amp, it’s wonderful for what it is for desktop listening, casual game room setup etc. but let me be clear, it’s no match for even a entry level, but well built, well priced offerings from Cambridge or Emotiva etc. The Emotiva Mini X-A100 that I also own beats the snot out of this little bugger in terms of superb midrange weight, bass depth and tightness and well resolved treble and separation. But for $80, this BT20a Pro does hold a surprise or two on how well it still can drive medium to large speakers. Anything upto 11 O’clock position sounds good. Beyond that it loses its composure, but it’s already pretty loud 90db by then. Try this for fun and you may find a use case.
It's super cool that not only does Fosi Audio support the channel but they did it after you give them a not so positive review which speaks to the integrity of the company.
A gm company worth its salt in any field,will take constructive criticism on board to improve it's product /offering 👍
I love my fosi bt 20 AS , good stuff ! On a different topic , is cheap audioman solely responsible for the world wide shortage of JBL a 130 s , can't get a pair anymore
All the figures mean nothing, these are cheap and ok ish amp for the money being very low budget, not real HiFi, spend more and get a real amp
You don't know what you're talking about.
@@gunnerdunbar, there not trash.
The idea of "real hifi" is just asinine gatekeeping
Which 48v 10amp power supplies are recommended? Something that doesn't cause electrical hum or a fan that makes noise
Because of this channel I’m very happy with several little Fosi amps stashed around my house
That is awesome!
Me too
I just bought the little sub amp and it SLAPS.
Lol same!
@@cheapaudioman you should review the fosi bt30d pro sometime, I upgraded from the regular bt30d and it was a major improvement (TPA3255) however, like with all these Chinese hifi class d amps they can get harsh and distort at high volumes
You can ditch the Bluetooth and use the Wi-Fi on the WiiM Mini, and get a $150 DAC.. much better. 👻Why can’t Fosi audio make the same amplifier with a sub out, a couple selectable inputs, and headphone capability?
Now that I would consider a “cheap” approval. 😉
how about T9 or T9 pro?
Hint...Hint Headphone output and a switch for on or off for same...would be sweet.
Thanks for all the great videos, Randy. I am trying to get into HiFi and your videos have been a HUGE help. I just bought the CSS Audio Torii kit. Do you think this amp would pair well with those speakers?
CAM, Which do you like better, this Fosi or the Ayima A07?
Well I just got a A07 pro in which is going into the system today. So I will let you know soon
I dropped in my Sparkos Op Amps and it sounds very nice... I think the tone controls make the output a little less than the A07. I plan on adding in my 48v 10a powersupply next.
What 48V PS do you have/recommend? Back when the 10d mk II came out, I remember Randy not having a good, affordable, low-noose recommendation
@@dcuccia I picked up a clean adjustable 48v 10amp on amazon.
@@phillipmain6475 thanks
I got a Fosi BT30D Pro the other day, and it quickly became one of my favourite amps. I'm looking forward to try this one👍🏻
Nice..I have two Fosi products now...this could be the next
There's also the BT30D pro which has subwoofer out directly for a passive subwoofer, seems to be similar specced. May be worth looking at if you're going to run a passive sub for a 2.1 setup or i guess maybe a centre channel?
I have one, works great (the BT30D that is, I also have an 8" powered subwoofer)!
I bought a BT30D Pro to power the sound from my 55-inch TCL QLED TV and it works great, but I also paired it to my 12-inch Skar Audio passive subwoofer and that combination sounds GREAT! It sounds better than my powered 12-inch MTX sub, which will vibrate a concrete floor. Both of these subs are for indoor use, not for automotive use.
@@crazyprayingmantis5596 I repurposed a passive Sony subwoofer that came as part of a HT in a box system. I like very much being able to set the sub crossover and volume on the BT30D Pro, rather than fishing around on the back of an active sub. The Sony sub fills out the bottom end of the Monitor Audio Monitor 100s very nicely. Not going to shake any walls, or worry REL, but it is surprisingly musical. Gave the whole setup to my future son in law as a birthday present. He runs his entry level AudioTechnica turntable through it and loves it. Incidentally, the BT30D Pro also has a line out for an active subwoofer.
The BT20A Pro looks good! FYI. However, I just noticed that the Aiyima A07 PRO (with same TPA3255 chip and tone controls) has a BIGGER power supply @36v 6A and its BT is the BETTER APT-X decoding. Any chance you might test the Aiyima A07 PRO as well? Thx
How do u take off the knobs? I have bt 30 pro but there are no screws at the side of the knob. I tried pulling on it but it's stuck there solid. I wanted to remove the knob so I can open the amp up to see if there are replaceable op amp chips
Why do the op-amps have no cooling? And what is the cooling actually cooling?
Again... Here we have FOSI, showing up a little late... And Randy STILL has not obtained and reviewed the Aiyima A07 Pro.
What happened to your affinity for Aiyima? I mean I'm not pushing it... But I have no idea why you wouldn't look into it and share your thoughts on the unit.
How about a Fosi mono amp? It’d be interesting to have two 160 watt mono blocks each with a dedicated sub-out.
The built in filter on some Subwoofers work very well, I know the new Emotiva Subs have it. I have a 12" Parts Express / Dayton Audio Sub and the built-in filter works really well.
@@ahuesphoto cool…..thx
Nice review👍Do you think that these two Sparkos labs ss3601 chips would be the right choice for the D class FOSI BT20A pro? I assume they are compatible with that device and does thay make a sonic difference? Stevan
Geeez..way too many lil amps to choose from these days 😖 I have 2 JBL Control 1 speakers
Power Capacity I50 W
108 dB continuous, 114 dB peak
4 ohms
(5.25 in) low frequency loudspeaker
(.75 in) polycarbonate dome tweeter
Any recommendations, advice? 🤷♂️...Anyone?
I have a nice set of active speaker monitors that recently died on me... Just the left amp kept working... So I got one of these chinese amps and converted the speakers to passive, and I'm loving it! In addition I got an amp with a sub-out and connected a nice 8 inch subwoofer and now I have a great full range sound coming from my PC...
Nice Channel, first time here and will be sure to check in again. I got a question for you though.
Is there a way to power this amp through a computer or a powerbank? For perhaps camping or picknicks.
There's always the premade portable BT-speakers, I know. But I enjoy mixing things up.
Also can this perhaps be used for Multiroom applications? I got a bunch of old speakers that could be connected to an amp such as this.
Sounds as good as the TB10D , has sub out and BT too?! I'm buying one! thx again CAM! Good salemsan...
I am pretty sure that it uses dual/stereo op-amps. The second one *may* be for the tone controls?
A full power (linear?) power supply would be pretty awesome! And larger/full size binding posts would be even better.
Yeah. They’re dual. Just looked up the spec sheet
@@cheapaudioman I am still learning about op-amps, as I am trying different units in my Geshelli J2S and AkitikA PR-102 preamp. I *think* that all single op-amps have 3 digit model numbers, and dual op-amps have 4 digits?
And so far, the OPA627 dual mono modules (which are two single channel op-amps mounted on a board that act as a dual channel) for about $8 each - are the best sounding of monolithic op-amps (as opposed to discrete). These seem to be screaming deals!
NE5532 is a dual op amp
Great channel Randy. I own the Aiyima A07 you recommended. Would love to know how these 2 compare. Does it sound as good as an Aiyima A07? with the added bonus of tone controls? Thx for clarifying.
Cool. Thanks for the info on how the sponsored videos work. Transparency is a good thing. I was going to ask about the DAC. I’m no EE, but see analog out and in, and thought the amp was digital…., wasn’t sure how that worked. Thought it might be converted to digital then back to analog. Maybe put this in the “stupid question” folder.
Ther are no stupid questions but ther can be stupid answers so be prepared
This amp does not have a dac (digital audio converter) it only has bluetooth and analog rca inputs
No DAC here. Class D amp, which is just a description of the output driver stage design.
Think I get it now. Did some google research. I think some class D amps concert backs and forth. Not this one. Grazzi
Thanks for all your great reviews - just wanted to say however it is you who are overseas!
Thanks for the review! I bought this last night after watching Williston audio labs dyno test video he posted yesterday. I'm going to replace my Aiyima A07 with this because the case fits the color scheme of the Sound Blaster X5 I am using so it will stack nicely on top of the X5 and not look out of place like the A07 does.
Are your speakers bi amp capable?
@@ufarkingicehole TBH I'm not sure but they are Sony SS-CS5 and they are sitting about a foot away from my face on my desk so I don't know if I should add more power.
@@Felix-bj1in they are not bi amp capable. You don't need much with those but absolutely need a decent smaller sub to get the most from those. I have a few pairs and will eventually upgrade 1 of them using Randys friends crossover kit
I can’t seem to find a 48v 10amp power supply on Amazon. Can someone provide a link? Thx.
I bought a fosi bt 30d pro and I am pushing two old school rauland 15" loudspeakers with hugh horns and a skar audio evl 12" passive subwoofer, it sounds amazing !
Hey Man I thinking of ine of these as a DIY build for a digital piano build. If successful I think a lot of people would buy one. Do you think Fosi Audio would sponsor me one.
Love the transparency (the sponsorship not the audio lol) but really according to YT rules you have to put "Sponsored video" things in the top left?
Love watching your videos since I'm often learning something I never knew about. Who would of thunk there's a way to tweak a $100 component to improve its performance (op amping). Fosi really puts the "tink" in tinkering!
I'd love to see socketed op-amps in their K5 Pro dac/amp. It doesn't cost much extra and it allows some customization on a budget.
Randy, I just got this amp today. Where can I get a 48V 10A power adapter? I see that Fosi just came out with a 48V 5A power adapter for this and I could go with that if nothing else is available. Thanks.
I got this amp to power Sony SSCS5 with the stock power brick and it is not loud at all. I am using Bluetooth connected to my IPad Pro set max volume and also have volume knob at almost max to have decent loudness for a 14x16 feet room. Is this normal?
I have a BT20A connected to a pair of Klipsch RP-160m, and the bass has started to distort using a WiiM Mini and Tidal. What causes the BT20A to distort? Would using this Pro version eliminate that?
I’m not a fan of Fosi. My amp works great, but always sounded “off”. Not sure it if it was the Bluetooth or what.
Hi Randy! Would the Fosi Audio K5 Pro Gaming DAC Headphone Amplifier be good to pair with this amplifier, or can you recommend something else?
Ordered mine today. 30% discount came in my email yesterday from Fosi. Then I found your review. (sigh of relief). Love the channel!
Went to order one for a friend who needs an audio intervention and don't see where to apply the coupon code. Was it a limited time thing? Thanks for the review.
Sooo the BT10A is on sale, but torn between this and the Schiit Rekkr. Any thoughts comparing the two? Thanks Randy!
Does anyone have an answer for what Sparko Discreet Op-Amp's work with this? SS3602's?
I've just bought a TB10-D thanks to your recomendation (and some coupons 😂), but I wouldn't mind winning one of this.
Hey Randy 1 Would this amp work well with the ELAC Uni-fii Debut 52's ?
How long before Fosi Audio, WiiM and Topping get together and make an all in one device for like $500?
When are you going to review the hot selling NAD CS-1? The first batches are selling out fast.
This would be so perfect if it supported LDAC Bluetooth codec, or at the very least aptX HD
@@joanfrederick9176 I didn't say it should have the same price point
1st time to comment, but ive been watching a lot and have gotten a ton of info on affordable hifi. Got some aiyima stuff. Heard of nfx&j audio? kinda share some traits with fosi,aiyima and douk
Damn you really grew your channel, you're leaving the competition in the dust. Probably because you keep it honest and real.
Fosi sales video. I used to enjoy this channel.
Don’t be so dismissive. He’s being completely honest & transparent.
Lots of highly respected TH-camrs with HUGE subscriber counts have sponsors that they don’t disclose.
Would it kill you to put the product in your titles? Makes searching much easier.
Watched a fair few of your videos 👍
I seen a TikTok with Keke Palmer and she had a fosi audio amp. But I can't figure out which model she had 🤔
Re-watching for a bit of info, will delete if I hear it.
Does this unit default to the analog input when something is plugged in, or perchance does the bluetooth take over from the analog when connected?
If neither, is there a way to switch intentionally ?
Whatever number is after a gazillion- that's how many they are going to sell. Also there are going to be some on the used market thereafter 🤷♂️
No Instagram account but I still filled out the form..
ugh doesn't seem to be available from amazon Canada....
Nice one Randy, I thought at first you said your 'old BT20A was up stairs running rude channels' 😂 The things our audio kit get up to when we're out, that's a very different toy story film 😂
awesome custom option, off amp rolling never herd of that before. But so cool 👍
I feel so warm and Fosi after watching this video. 😅
Great review as usual, thank you for all you do!
What is the point to a bigger power supply?
thanks for your video, you do great work!! i wish to you the best succes 🙂
Sorry for asking after providing a detailed review of the BT20A Pro. I was checking Amazon to order one when I found the Fosi 30 BT30D. The 30D has additional adjustment options. From the descriptions the power supply (24/V) and max power appears to be the only differences........Would the 30D be a better option if the price difference wasn't a factor????? Any opinions on the Randy would really help picking one out. TY.....P.S. I can consider this a review although sponsored as you provide positive and negative on your reviews...hence the reason so many ppl have a select group of review channels they follow. Edit: Had the wrong price of the Pro.. therefore the 30D is cheaper. Question still remains.
The BT30D Pro is an impressive piece of kit. However, I would only buy it if I wanted to use it with a passive subwoofer. Otherwise, there are better options, like the Aiyima T9 or T9 Pro.
Randy how about a head to head with this and Aiyima A07 Pro?
Ugh. I don't do Facebook.. Ick.
Where’s the giveaway form?
Can I use this one as dual mono block system?
Received one today
Returned poor sound 😢
I prefer AIYIMA products myself. The T9 pro matched with a pair of Klipsch R-41M’s looks awesome. I run those R-41’s with a miller kreisel subwoofer (Powered V-125).
That is probably the sharpest-looking Fosi product that I've seen. A refreshing variation away from the angular black box.
I have a silver one
I don't have an amp so show me what i am missing 😅
Talk to Ed on the Kiss Analog you tube channel and maybe he can design a linear power supply for this amplifier.
I left your response in a comment on one of Ed's video's . Ed usually reads all of his comments and sends a response.
Bluetooth Transmission Format: SBC/AAC
Hey Randy, have you ever come across the Tibo separates? They appear to be good value and highly affordable but would be curious on sound quality, as same price as most the douk stuff.?
Pretty cool little amp for the money!
*these tpa3255 or even the tda7498 need to be open chassis, with a fan even better. They can run very hot if ran moderately for a long while(and thats the case, think about how hot the chip is lmao), especially at 2ohm, but with venting or an open chassis design they run pretty cool, no issue at 2ohm or moderate volume with treble/bass controls set moderately aswell.*
@Stephen Buck people who want more power and understand dynamics in music. The question isn't why would you, it's why WOULDNT you? Especially when it's plenty efficient at that ohm load and little distortion difference that absolutely no one would ever notice.
Some suggest that using a 48V PSU on these might definitely cause overheating. A little DIY with a quiet running computer fan and case mods might be in order.
@Stephen Buck that was always my qualm about building a Raspberry Pi streamer/DAC. Most of the builds I saw online had NO thought given to thermal issues. Given the WiiM Mini available at less than $99 I'm glad now that I never built a Pi one and had it to worry about overheating. Good luck.
@Stephen Buck I'm surprised more people in the U.K. and Germany don't use Class A tube amps in the winter...LOL...
@@rosswarren436 I do in Scotland. Often in the dark depths of winter with a blizzard swirling outside,myself and my wife can be found huddled around warming our hands on the glow from my Allnic 300b tube amp while listening to smooth jazz.
Everyone sells out eventually… subconsciously their sponsorship does impact your opinion. Either way… still the best audio reviewer on TH-cam.
Roon capable?
Ordered mine early enough this morning. Will arrive tomorrow!
Plan is to also order the Aiyima T2 tube pre-amp and also ge tubes, both shipped for under $100.
Any oninions on this pairing before I pull the trigger....
It's already in cart...LOL... prolly won't sit there very long!
Please consider showing how to connect the devices / equipment you review and show them being used!!!
I have the older one and not too bad 😊
Sweet!
160 watts means 80 watts per channel peak power. Continuous RMS power is approximately .63x peak power. Som the actual usable power with the 32V/5A power supply is about 50W at 100% efficiency, which is im possible in the real world. So, assuming a very high 90% efficiency, actual power to the speaker will be around 45W/channel, which is plenty, unless you have very low sensitivity speakers and listen at deafening levels in a very large room.
Same device as the BT30 Pro .. without the sub output, can't see why this BT20 Pro would be interesting... lower price maybe ? I think i bought the BT30D Pro for 60$ (no power supply as i use a battery)
Using it with a pair of polk ES20 and a 25" sub .. and it's perfect solution, for overall 400-450€.
Will this mini amp makers EVER publish everyday power ratings?? Nobody cares what it will produces at 10% distortion at 1kHz into a 2ohm load (or at whatever unrealistic parameters they list max power)
PLEASE give us power at both 8 and 4 ohms, 20Hz-20kHz @
I have fosi bt20a and I’m enthusiast of it
Me too
Randy, your the best!
After seen your video I ordert one via your AMZ-aff-link in Germany. It Works!
Payed less than 90€ incl. tax, p&p. Fu..lly Great ;)
Best wishes from Germany
Is Nikko still available?
BIC Venturi DV84