Fosi Audio BT20A Bluetooth TPA3116D2 Sound Power Amplifier 100W Mini HiFi Stereo Class D Amp Bass Treble For Home Theater

(31 customer reviews)

876 in stock


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Fosi Audio BT20A Bluetooth 5.0 Audio Receiver Amplifiers Digital Power Amplifier Channel 2*100W Mini Hi-Fi Class D Home Speaker


  • Small simple compact design but practical and powerful, little HiFi Bluetooth wireless amplifier exclusively designed for the customers who pursue HiFi sound;

  • CSR Bluetooth 5.0 core, up to 50ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established;

  • 100W MAX output X 2(4 ohms, 24V Load 20 Hz – 20 kHz, 0.04% THD), can drive 280watts(8 ohm), 320watts(4 ohm/24V Load) speakers, (For passive speakers only, not the powered speakers.)

  • Advanced circuitry designbuiltin speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home;

  • Advanced circuitry design, built-in speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home;


  • Model: BT20A

  • Power amplifier chip: TPA3116D2*2 NE5532*2

  • DC Input Range: 12-24V

  • Terminating Impedance: 2 Ohm – 8 Ohm

  • MAX Power Output: 100W x 2 (4 ohm/24V Load)

  • THD ≤ 0.04%

  • Frequency Range: 20Hz – 20kHz (±1 dB)

  • SNR ≥ 98dB

  • Input Sensitivity ≤ 280mV

  • Input Mode: Bluetooth & RCA

  • Bluetooth version: Bluetooth 5.0 (30m without obstruction)

  • Bluetooth chip: Qualcomm QCC3003

Package Include:

*BT20A Bluetooth Amplifier x1

*User Manual x1

SKU: 9OXOZ0JYL9EH Category:

Based on 31 reviews

5.0 overall

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  1. A***i

    Отличный усилитель. Продавец отвечает быстро. Упаковка хорошая. У усилителя есть даже аудио кодек от Apple – aac. Качество звука действительно неплохое. Я в целом доволен, рекомендую.


  2. T***t

    Excellent, incredible power and sound for this very small amplifier !
    Great packaging and super fast delivery.


  3. D***n

    Well received-nickel packaging-fast lead time-tiny amplifier but very nice quality of manufacture-very good seller-First test super sound…


  4. O***v

    The S30 radio technology on 24 volts of the power supply was able to swing until the overload light on the columns. So there is on the Channel 40-50 watts. the volume was 80%


  5. M***G

    Think more impossibly smaller, so surprised. Sound is what price as long as. So even once this please in nicer. Shipping days only for accredited fast spout.


  6. Y***k

    The business seems good amplifier. Computer and amplifier and carry the music, game such as sound for Saw seems sound quality is good. Bluetooth connection saw should be used for low-end amplifier bluetooth sound quality is not good, and used this product is check whether it seems. Of course, wired cable when connected with the sound quality is more good, it seems that the production each children but bluetooth sound quality-haven’t heard enough to me worse it, but does the rest.
    Product packaging box attitude was high, shipping believe grew quicker. goods buyers in September 14th expected is called had the expected than goods received. September days in order to September days to received.


  7. D***c

    Small but powerful. Well made. Exactly as described. A must have gadget.


  8. Shopper

    Excellent product, has good power output very happy with the product. Everything works correctly


  9. 3***r

    The postal package was opened. The store service 5 took on the camera. The box is not sealed and crumpled. I can see the autopsy marks. But the amplifier without visible violations. I have to check. For a very long time the 5post service carried the parcel from Moscow to Tambov through Voronezh, Ryazan, and again to Voronezh.


  10. S***z

    I stay short with the 5 stars, excellent, I have had other HiFi receiver, and this little ampli, is very close to delivering excellent sound, connect it to some Bosé 161 and it sounds super. Excellent fosi-audio, ah and very fast delivery to Chile


  11. S***E

    Delivery 10 days. Excellent quality, it sounds very well. With my old hi-fi speakers it makes an ideal addition to my Samsung TV set. Many thanks


  12. A***v

    Really high-quality amplifier. Connected to the old columns from the Music Center-the sound is chic, the volume up to 100% and did not dare to put-70-80 already ears can not stand.


  13. 3***r

    Very fast delivery. Compared to radio technology, 101 porridge is less. Connected to the speakers radio s 30, at 70% the volume of the column in the overload. I recommend the seller.


  14. Shopper

    Order canceled but
    Shipping being.
    Product performance is good.
    Days only on arrival.
    Power connector or so
    Send me be even ten day.
    Precut the connector
    Need to buy separately.


  15. Shopper

    AIYIMA A03 model is garbage.
    The chip is not 3116. Because of that, the sound is tangled up, which is annoying to hear.
    So I bought the FOSI BT20A model. This product sounds ‘honest’. It is clean. I am very satisfied.
    Thanks FOSI Audio~


  16. Y***M

    Delivery in Postamat, took 3 days, the device is fire, the sound is excellent, took the version of 100 W with B/P on 24 V, electronics 25 AC,, by Bluetooth, the sound is excellent, I recommend in short both the seller and the device, a rare case when the product is worth its money.


  17. M***v

    Thank you. Sent at once. Delivery eight days. The box came a little crumpled, but inside everything is whole. Everything works. At full capacity, not yet included, late. Otherwise, everything is fine. Recommend.


  18. Shopper

    Good afternoon. Connected to passive speakers that are 65Watt. I do not think that this amplifier on one channel only gives out 100 watt, rather 50 watt per channel, but I can make a mistake. The sound quality when connected via Bluetooth did not please, the more the sound, the worse the sound. I use the connection through the cable. There is a tangible difference than when connected via Bluetooth. The sound became cleaner. For me, there are not enough average frequencies. In general, the amplifier, although small in size, but bright. A good amplifier for your money. Happy with the purchase. The store is reliable. The seller is sociable. The seller sent me a cable with an American plug by mistake, although I asked to send a network cable with a European plug, but after sorry and sent another network cable with a European Plug Plug plug Buy, you will not regret. The amplifier is worth its money. Good luck to all!!!


  19. M***n

    Do not finish the chase. Golovno felt 3rd party noise is not present. Push it into prosperity. Mave senior dinomki 6 GD 6 80 25 GDN 4 25 GDN 1-8-80 10 gd34 then spalit for 10 min. The middle of the frequency
    For the lover of electronic muziki Bude himself once. For the estradi cynitel, that intrumental clasika with a stretch pidiyde. In a word for your reception at $54. Yakscho you have speakers type amphiton 50as 022. Sam for them, he broke into the garage, then you will be in the grip. The sound of Klipsch Reference premiere rp-6000f Ebony is definitely not enough. Ale Yak then to look on the Smak and colir all flaveli of rizvaya. Block background does not give Bluetooth Ter. It’s a small shipіння HF at which on the love of guchності ale for the Taku I’m okay with that Indian and not even a person. Discomfort is not vicclicase. Definitely Raju.


  20. L***e

    Ce produit ne supporte pas les coupures de courant. Faire attention.
    Mais le vendeur m’a renvoyé 1 autre produit qui supporte.
    Excellente communication.


  21. K***r

    배송 굿 완전 총알 번개!
    DIY 시작하려한다.
    마샬의 심장을 대신할 그것 포지 BT20A


  22. S***v

    Thank you seller. Sent fast. Packing good appearance for 5 +.


  23. h***.

    so fast delivery.. not yet i did not test. but I believe it will work well


  24. Shopper

    He arrived in 2 days from Madrid. Super fast. Very good sound quality for what you pay. I already have 4 Fosi amplifiers and this is the cleanest sound. It’s the second one he bought. I ‘d miss it if I had a little more serious, but I’m happy. If you want more power with more bass and less sharp the Fosi Bl 20 C goes great but buy the one with Bluetooth antenna.


  25. D***n

    Come in a week! It’s fine. Works properly, the power is enough.


  26. A***n

    Работает отлично. Тьфу-тьфу


  27. N***v

    Seller Super! Quick answers. Delivery is very fast. It was supposed to come on the 26th and in fact took the 19th. Packing is good. The parcel is not crumpled not broken.


  28. K***r

    this black little amp is awesome. Never expected this good before I actually received it. Probably the best amplifier under $100.


  29. B***e

    good is Good!


  30. K***r

    Bookshelf speaker with writing area you seemed to four.
    Speaker in Beijing China router finished product data enter into watching back after having ball LL


  31. V***S

    Prompt delivery, connected to the central channel JBL studio pulls about half, the middle is not enough. There are no wheezes, Chinese voices, the detection immediately finds me, but it does not connect automatically immediately.