Fosi Audio BT20A Pro Bluetooth Amplifier Hifi, 300W x2 Mini Stereo Amplifier with TPA3255 Chips, Replaceable Op-Amps, Bass and Treble Control, Class D Amp 2.0 Channel for Home Audio Outdoor Speakers

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About this item:

  • Unparalleled Audio Precision: With advanced TI TPA3255 amp chip, the BT20A Pro delivers an astonishing 2x300 Watts of power output, ensuring impeccable sound quality with SNR ≥108dB and THD ≤0.005%. Immerse yourself in a breathtaking audio experience that surpasses expectations.
  • Tailored Sound Customization: Craft your ideal audio profile with the BT20A Pro's customizable sound options. Whether you crave deep, resonant bass or vibrant, crystal-clear treble, this amplifier puts the power of audio customization in your hands, enabling you to tailor the sound to your preferences with ease.
  • Interchangeable Op-Amps: Elevate your listening experience by substituting the included NE5532 Op-Amps with compatible options such as LME49720HA, MUSES02, OPA2604AP, OPA2134PA, LM4562, or NJM4556AD Op-Amps. Unleash a unique sound signature tailored to your personal preferences, offering limitless possibilities for your auditory enjoyment.
  • Seamless Bluetooth Connection: Benefit from upgraded Bluetooth 5.0 technology, ensuring a stable, high-quality audio connection for a truly immersive listening experience. Stream your favorite music with confidence and experience unparalleled wireless audio performance.
  • Comprehensive Package: BT20A Pro Power Amplifier x1, Bluetooth Antenna x1, 32V 5A Power Supply x1, AC Cord x1, User Manual x1, and a 24-month dedicated customer service, providing you with everything you need for a seamless setup and peace of mind.
  • Review:

    4.9 out of 5

    98.46% of customers are satisfied

    5.0 out of 5 stars Great little amp

    C.J. · 8 June 2024

    When you take it out the box you know it’s good quality- it feels it. It’s smaller than I anticipated it would be. It’s basic, not many functions but it works perfectly every time.I leave it switched on and every time I power the socket on it connects to my Bluetooth on my iPhone without fail. I have this running a couple of Bose environmental outdoor speakers and the sound quality is amazing. It is super easy to set up and use. My only complaint is that it’s not quite as loud as I’d like it but that’s probably more my doing as it’s a small amp with limited output for the size of the speakers I’m running from it. Would recommend

    5.0 out of 5 stars Good Value

    F. · 25 April 2023

    PROS- Drives my 100W speakers beautifully- A very discrete unit, fits in the palm of your hand- Easy to plug in and conceal if necessary- The case has a really good feel to it- Nice design and smooth corners- Has subwoofer connection to add bass should your speakers/setup require- Bluetooth connectivity excellent even when going downstairs with mobile in pocket (2-floor house)- Being able to disconnect the paired bluetooth device is a brilliant idea- Blue LED showing Bluetooth is paired- Red LED showing power on- Power adaptor has perfectly acceptable size- Midpoint knobs for treble and bass, allowing setting these at zero (brilliant feature)- Bass and treble controls produce excellent results in sound- Red volume knob of larger size- I'm sure there are many technical reasons why this is an excellent unitCONS- I do not have any issues with this product.SUGGESTIONS:- Provide rubber feet to install the unit vertically on its side (however anyone can get their own rubber feet or even velcro straps/adhesive velcro straps thereforeCONCLUSIONIt's hard to think what else could be improved with this product (maybe create 10 or 15 case colours to suit the needs of customers whose audio setups need to sound as good as they look).I'll get rid of my Cambridge Audio amplifier as soon as I can because it's simply no longer necessary to have something of that size to drive my audio needs.

    4.0 out of 5 stars Fantastic, but ket down on small details.

    M.R.C. · 8 September 2023

    Lovely design, clean sound with lots of power.I would have given this item aa 5, but the style of volume knob the company uses has quite alot of play in it, ie movement.I have contacted the company, and have been assured this is normal, yet I feel this could have been a perfect product if it wasn't for this niggle.I'm not nit picking, as an internet search will reveal others who have mentioned this issue also.So it's a 4 from me.

    5.0 out of 5 stars Give it time to burn in then its 5 stars

    P.P. · 26 July 2024

    Used as a desktop system with Mp3 player (wired) and a soundblaster dongle from my laptop. I have a set of vintage Canton 4 ohm speakers that are efficient connected with banana plugs and pure copper wire. I am using the 32v supplied power supply.I almost returned this as when I first started using it the treble range sounded distorted and overall the amp sounded thin. Fast forward to around 20 hours use and the little Fosi is revealing itself to be a very capable unit. The separation, clarity and reserves of power are now all evident. The control through the range is now very good , excellent bass and clear treble. The tone controls work well allowing acurate amounts of adjustment if needed.Connection: Sorry I don't use bluetooth but I expect it works well. The 2 phono sockets are fine to use with whatever you plug in.The 3.5mm pre out: Disappointed with this it would not send anything to my powered sub, not a deal breaker but research on the net shows this is a common complaint. Fosi should have put a dedicated sub out for this.The build quality is fine and with the 32v supply only ever gets slightly warm. I have also read that the alternative 48v supply causes the amp to run quite hot. The output for me is enough and I can listen clearly in the room away from my desk.Apart from the issue with the pre-out I can still give 5 stars due to the overal qualities of this little amp.

    5.0 out of 5 stars Amazing Little Amp with Big Output

    M. · 8 March 2024

    I didn't know that amps of this physical size with such a high output actually existed until my friend recommended this model to me. Anyway, it was simple to connect up. I have two decent speakers connected to the outputs and a powered subwoofer connected to the Line Out. I bluetooth everything to this apart from my Echo Dot which plugs directly into the Aux In of the amplifier. It has great sound and is the perfect setup for me. It was a good price for the amp as well and all packed into a very nice looking metal case.

    5.0 out of 5 stars Works great. Check before power on see review.

    k. · 10 September 2024

    Quite surprised. Works great. Sounds good to my old ears anyway. Musics only as good as your ears are old. Easy to setup. Connects quickly. Now for the problem. If it rattles don't use. Mine did. Opened it up to find random spare replaceable sound chip retainer pins loose in case. Could have fused motherboard at any time. Easy fix. Works great. Didn't want to use until checked and couldnt send back at time.

    5.0 out of 5 stars Fosi Power!

    S. · 28 December 2023

    The Fosi Audio BT20A amplifier, has serious power that pack's a punch!A quality built,small amp, with a great sound stage with low distortion.Clean sound at a bargain price.Comes with 32 volts power pack, but you can upgrade to 48 volts power pack if required,as the amp is rated 24 - 48 volts.Once again very impressive.

    5.0 out of 5 stars Power and clarity

    D.B. · 4 June 2024

    It’s amazing that such a pure round with more than enough volume for my living room could come from such a small amp. As long as you’ve decent speakers this is all you need for your room. Connected to my phones Bluetooth instantly for playing Spotify and my turntable sounds great now. For the relatively cheap price it’s a no brainer. No regrets

    Great for price — and I am an audio snob

    L.O. · 4 September 2024

    I have very expensive 4 ohm speakers. Audiophile stuff from 18 years ago. They take over 100 watts. If you want to blow off roof and send dogs cowering.Great sound. But alas my bad ass amp went south after 18 years.Truth is for last few years we have been playing Spotify soundtracks through apple airport into the system. Okay I know.So do I buy another thousands dollar amp to do that? My hearing is going bad anyway, as wife will claim.This works. Drives speakers to maximum tolerable volumes, and beyond . Base is a little rough. Bluetooth works fine. But this baby has auxiliary inputs. Hooked up old airport there. Works great. Audio a bit better on airport input than on Bluetooth. Hooked up high end cd player to those same inputs. Pretty good amp. Very low end base is still a bit muddy (this might be a power issue and better with the bigger Fosi power block). Talking jazz recordings here.Guess I saved a few grand. Old audiophile meets reality. For this price? I am good.I should add, Bluetooth works great in a big house. Occasionally drops about 60 feet down in basement area. Upstairs no problem going 75 feet to end of home and my office. But we still frequently use airport. That works every where in home. At least until our old airport dies.

    Geweldig voor die prijs!

    E.V. · 10 October 2024

    Geweldig, ik heb de KEF C75 nog nooit zo mooi horen klinken, dit versterkertje geeft de weergave meer detail dan m'n MARANTZ PM 7001. Nu nog de 48v voedingsadapter + Fosi voorversterker aanschaffen voor m'n Pro-Ject platenspeler aanschaffen en dat voor een billijke prijs.

    Buena calidad a excelente precio

    C.A. · 9 September 2024

    Tengo unos buenos altavoces KEF y se me rompió el amplificador. Esta ha sido la solución definitiva.Con el transformador de serie tiene suficiente potencia, y le sobra, para mover los KEF de 80W reales. Suena nítido y realmente bienLa conexión bluetooth es rápida de conexión y sin interferencias, no como otros que probé antes más económicos que éste.Por los 99€ que me ha costado, está estupendo

    Bluffant !

    n. · 23 August 2024

    Couplé avec une paire de Davis Acoustics (elle aussi carrément bluffantes!). Du vrai son propre dans toutes fréquences. Accro au son Bose, je suis vraiment impressionné par ce que ce petit système sort pour 250€ tout pesé. Super content de mon achat !

    meow :3

    J.B. · 17 August 2024

    Jest ok, ale potencjometr głośności ma duży luz i może to przeszkadzać niektórym osobom

    Fosi Audio BT20A Pro Bluetooth Amplifier Hifi, 300W x2 Mini Stereo Amplifier with TPA3255 Chips, Replaceable Op-Amps, Bass and Treble Control, Class D Amp 2.0 Channel for Home Audio Outdoor Speakers

    4.5

    BHD81185

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    Product origin: United Kingdom

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