Amplificateur adapté à mes enceintes d'extérieur ; seul bémol : l'envoi d'un produit qui semble reconditionné (emballage et conditionnement pas neufs).
New Customer?
Create your accountNo products
Prices are tax included
By buying this product you get 14 loyalty points
Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.

The Fosi Audio BT20A PRO is a compact and powerful Class D amplifier, offered at a very resonable price.
For its connections, the BT20A PRO is simple and efficient, with stereo RCA or Bluetooth 5.0 input, and plated speaker terminals output as well as a 3.5mm jack pre-output.
On its front, the BT20A PRO has a tone control allowing you to adjust the level of bass and treble, in order to adapt the reproduction of the device to your audio system and your preferences. In addition, a bluetooth pairing history deletion function is now available by holding down the volume button for a long time.
A Bluetooth code may be requested to connect to the amplifier, it is "0000" or "1234".

Its amplification stage uses a high-end TI TPA3255 amplification chip, capable of developing a power of 220W under 4Ω per channel. All while providing clear and detailed sound reproduction.
The DIP8 format OP-AMP NE5532 chip is easily replaceable. This can allow you to get your favorite sound signature.


| 1 | Power indicator |
| 2 | Power switch |
| 3 | Treble control |
| 4 | Bass control |
| 5 | Volume control / Erasing Bluetooth pairing history |
| 6 | RCA Stereo input |
| 7 | Jack 3.5mm pre-out |
| 8 | Speaker terminal |
| 9 | Power plug |
| 10 | Bluetooth antenna |
Technical characteristic
| Specifications | |
|---|---|
| Product type | Amplifier stereo |
| Amplification type | Class D |
| Input | 1x RCA stere'o Bluetooth 5.0 |
| Output | Speaker terminal Pre-out jack 3.5mm |
| Amplifier chip | TI TPA3255 |
| Output power | 2x 220W / 4 Ohm @ 48V (RMS) 2x 259W / 4 Ohm @ 48V (Max) 2x 110W / 8 Ohm @ 48V (RMS) 2x 129W / 8 Ohm @ 48V (Max) 2x 100W / 4 Ohm @ 32V (RMS) 2x 125W / 4 Ohm @ 32V (Max) 2x 50W / 8 Ohm @ 32V (RMS) 2x 62W / 8 Ohm @ 32V (Max) |
| Accepted impedances | 2-8Ω |
| Frequency response | 20 Hz-20 kHz (± 1,2 dB) |
| THD | 0.005% |
| SNR | ≥ 108dB |
| Bluetooth Codecs | ACC SBC |
| Tone control | Bass / Treble with midpoint |
| General | |
|---|---|
| Power supply voltage | 24V-48V DC (AC adaptateur included) |
| Dimensions (L*P*H) | 166x105x35mm |
| Net Weight | 547g |
| Color | Blue |
| Package | 1x Fosi Audio BT20A PRO 1x Power supply 48V 5A |
| Input | RCA |
| Input | Bluetooth |
| Output | Speaker terminal |
| Color | Blue |
| Channel | 2 (Stereo) |
| Class | Class D / T |
| Amplifier chip | TPA3255 |
| Power (W) | 220.0 |
| Remote Control | No |
Average votes 4.0 / 5 1 reviews | Why write products reviews ? You can share your feelings about products and help other people by sharing your experience |
Julien B.