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The Fosi Audio BT20A is a compact, high-performance Class D stereo amplifier featuring Bluetooth 5.0 for wireless streaming up to 50 feet. Powered by dual Texas Instruments TPA3116D2 chips, it delivers 100W RMS per channel with ultra-low distortion, perfect for driving passive home speakers. With bass and treble controls and built-in speaker protection, it’s designed for audiophiles seeking premium Hi-Fi sound in a sleek, space-saving package.


| ASIN | B07BQC7GNL |
| Best Sellers Rank | #10,362 in Electronics ( See Top 100 in Electronics ) #17 in Home Audio Amplifiers |
| Brand | Fosi Audio |
| Customer Reviews | 4.5 out of 5 stars 8,421 Reviews |
| Item Weight | 567 Grams |
| Manufacturer | Fosi Audio |
| Mfr Part Number | BT20A |
| Model Number | BT20A |
| Unit Count | 1 Count |
D**Y
Small is beautiful!
I only recently got interested in HiFis. After spending a decent chunk on a system - all new I decided to create (or rather cobble together) one buy scouring the internet. Got these AED 259 - they have a special running, used floor standing Mission M73i speakers, a very old and used Sonos Connect ZP 90 (only streamer not amp). The used stuff off Dubizzle and the new amp from Amazon. Including wires (from Pult in Dubai) the whole thing set me back by AED 1134.00 Worth it. This amp is great. Initially felt a bit underpowered but then I turned up the treble and bass to almost max. Fixed that. With the ZP90s connected to this I get to hear beautiful music from Qobuz and Spotify on the M73is. I recommend not using the Bluetooth connection if possible- sound quality not that good (as Wi-Fi) and if your is not set to silent mode then even the keyboard clicks can be heard on the speakers. Overall: an outstanding purchase. Will post pictures of the connections soon. April 2023
M**L
Good sound for the price
I’ve had it for a year and no problems, great sound
M**O
reliable
small but reliable amplifier. it would be better if it is capable of multiple bluetooth connection.
C**N
Music
Good product and excellent compromise with the price
R**T
WOW!!!!
Hooked it up to 2 polk audio speakers and runs them beautifully. Dinamite!
L**M
Tiny amp, big sound. Bluetooth volume controllable.
This is a very good amp. No buzzing or issues. Loud enough for parties and quiet enough for background music. Bluetooth feature is good, and you can increase and decrease volume from your phone once connected. Set the volume on loudest you want before any distortion, then crank the volume back a tiny bit, and then use your phone to manage the volume. I would buy again if I needed an amp.
H**Y
Quality product..... impressive sound even at higher volume...No distortion
Amazing to pair with bookshelf speakers...I use it with JBL...... amazing connection to Bluetooth
A**A
Fosi Audio BT20A
Este amplificador fue una excelente compra junto con un preamplificador Fosi Box X2. Como alguien que le gusta la música por hobby, me sentí muy bien de cómo quedó armado mi audio. Conectando el preamplificador a este amplificador, puedo escuchar mi música de mi tocadiscos, y cuando necesito utilizar las bocinas para ver un video, una película, o escuchar música, se puede conectar este amplificador por bluetooth a mi laptop o mi celular sin necesidad de moverle nada, solo con que esté encendido y no haya nada corriendo simultáneamente. Y la conexión es ultra rápida también. También si compras bocinas que sus cables no tienen la punta dorada (es decir es puro cable) este amplificador viene con manual y puntas de plástico para instalarlas sin tener que comprar los tips por aparte, y es muy sencillo conectarlas.
M**2
Klein, guter Klang, stabile Verbindung über BT.
Alles wie beschrieben, funktioniert mit iPhone, iMac und Dell Laptop einwandfrei. Auch nach drei Std. Dauerbetrieb nur leicht warm geworden, keine Verbindungsabbrüche. Der Klang ist für mich sehr gut (ich bin keine Referenz, ist mein subjektiver Eindruck). Ich nutze zwei Teufel M500 THX Center Speaker.
A**M
Mały ale byk ( wariat )
Mój amplituner Onkyo zajmował miejsce w moim minimalistycznie urządzonym salonie , dodatkowo nie posiada bluetooth , więc zakupiłem Fosi Audio , i.... Nie jestem melomanem i pewnie dla tego :-) nie słyszę różnicy między tymi wzmacniaczami , więc polecam wam też bo większość z was tak jak ja jej nie usłyszy
C**A
Fossi Audio BT20A
A very small unit with an amazing output. Works well with my Q Acoustic 3010. Good surround sound with two base and treble controls. Bluetooth connectivity is great and very easy to pair. I recommend it to anyone looking for a Bluetooth amplifier.
M**7
Works Good
I have been using this amplifier for a month now. It is working without any issues. The build quality of the amp as well as the adapter is very good. Looks tiny besides my old amp. My Old amp stopped working so am using this amplifier as an temporary alternative to power a set of Solidaire SS100 bookshelf speakers with a 12-inch woofer, a 4-inch midrange, and a 1-inch horn tweeter with impedance of 8 Ohms. Bluetooth range is also good. Comparable to my existing Logitech Bluetooth adapters. I have noticed it does not get warm on long usage when listening at acceptable volumes at home. The audio quality is flat and commendable in the Fosi amp, but I seem to miss the warmth my old Solidaire AS1200D amp provided. So, I tend to boost the lows and mids from the equalizer to get the desired effects. My decision on buying this over Aimyia amp was swayed because FOSI provide a warranty on their product, but Aimyia brand amps have no such mention in their listings.
Trustpilot
2 weeks ago
3 weeks ago