---
product_id: 68014327
title: "Fosi Audio BT20A Bluetooth Amplifier for Speakers, Mini Stereo 2 Channel Amp Class D, with TPA3116 Chips 100W x 2 and Bass Treble Controls, for Home Audio Outdoor Passive Desktop Bookshelf Speakers"
brand: "fosi audio"
price: "76747 Ft"
currency: HUF
in_stock: true
reviews_count: 13
category: "Fosi Audio"
url: https://www.desertcart.hu/products/68014327-fosi-audio-bt20a-bluetooth-amplifier-for-speakers-mini-stereo-2
store_origin: HU
region: Hungary
---

# Bluetooth 5.0 with 50ft range 100W x 2 output power Adjustable bass & treble controls Fosi Audio BT20A Bluetooth Amplifier for Speakers, Mini Stereo 2 Channel Amp Class D, with TPA3116 Chips 100W x 2 and Bass Treble Controls, for Home Audio Outdoor Passive Desktop Bookshelf Speakers

**Brand:** fosi audio
**Price:** 76747 Ft
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your sound game—compact power that keeps you connected and in control!

## Quick Answers

- **What is this?** Fosi Audio BT20A Bluetooth Amplifier for Speakers, Mini Stereo 2 Channel Amp Class D, with TPA3116 Chips 100W x 2 and Bass Treble Controls, for Home Audio Outdoor Passive Desktop Bookshelf Speakers by fosi audio
- **How much does it cost?** 76747 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/68014327-fosi-audio-bt20a-bluetooth-amplifier-for-speakers-mini-stereo-2)

## Best For

- fosi audio enthusiasts

## Why This Product

- Trusted fosi audio brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Powerful Stereo Output:** Unleash 200W total power for immersive, room-filling sound that commands attention.
- • **Compact & Durable Design:** Sleek, all-metal chassis fits stylishly anywhere—home, office, or outdoor setups without clutter.
- • **Tailored Sound Experience:** Fine-tune your audio with intuitive bass and treble controls for personalized clarity and depth.
- • **Trusted Quality & Warranty:** Engineered with TI TPA3116 chips and backed by a 24-month warranty for peace of mind.
- • **Seamless Wireless Connectivity:** Bluetooth 5.0 ensures stable streaming up to 15 meters—ditch the cables, keep the vibe.

## Overview

The Fosi Audio BT20A is a compact Class D Bluetooth amplifier delivering 100W per channel with crystal-clear sound via TI TPA3116 chips. Featuring Bluetooth 5.0 for wireless streaming up to 50ft, adjustable bass and treble controls, and a durable all-metal design, it’s perfect for enhancing home, office, or outdoor audio setups. Backed by a 2-year warranty, it offers professional-grade audio performance in a sleek, space-saving package.

## Description

Enjoy room-filling sound with this compact Bluetooth amplifier featuring 100W x 2 output, bass and treble controls, and a sleek design for home, office, or outdoor use.

Review: 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.
Review: Surprisingly great. I am really surprised - I brought the first amp a while ago and sent it back as I wasn’t happy with the sound quality or output. I think I said it may be ok for a small broom cupboard. Roll on 2 years or so and having re-read the reviews I decided I would give it another go With a fresh set of ears Maybe I had a bad one last time of they have tweaked the firmware or something, But it’s a very different amp from the one I recall - To my surprise this one was excellent- I would say unbeatable for the price. Ok so some complain that the Bluetooth is not protected so anyone can jump on it and that would be a nice extra but it is what it is. It’s driving a couple of external speakers with a well known home assistant input for the garden and I’m seriously impressed. Also tried some mission bookshelf speakers I had spare. Bass and treble are adjustable and work remarkably well. Bluetooth seems solid and clear; aux in is even better. Recommendation: set bass and treble to 50% (pointing straight up) as a starting point, this will give you a good reference point. I’m really fussy about sound and wasn’t expecting much but I’m really glad I gave this little beast a second go. I would absolutely recommend for small or mid size room.

## Features

- 【Bluetooth 5.0】Featuring an integrated Bluetooth ATS2853 chip, this bluetooth amplifier supports streaming up to 50ft (15m). Effortlessly connect via Bluetooth to enjoy high-quality music from MP3, Phone, Pad, PC, or Laptop, embracing the wireless era.
- 【Compact Design】Our mini amplifier offers a sturdy, space-saving design for home, office, or outdoor use. Elevate your audio experience with bass and treble controls to tweak settings as needed.
- 【Immersive Audio Quality】Elevate your audio environment with room-filling sound, driven by a total output of 100W x 2 at 4 ohms. Covering a wide frequency range of 20Hz - 20kHz with less than 0.04% THD, achieve the perfect balance of volume and detail for an unparalleled home entertainment experience.
- 【Superior Sound】Utilizing 2 integrated Classic TI TPA3116D2 chips, this device provides crisp, clean sound with crystal-clear highs and smooth, pure bass. It enhances voice clarity and speaker performance while maintaining lower energy consumption.
- 【 Exquisite Craftsmanship】This power amplifier comes nicely packaged with a solid feel to the case and the controls and connectors. The all-metal body ensures durability, and you can enjoy the peace of mind provided by Fosi Audio's 24-month warranty.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BQC7GNL |
| Best Sellers Rank | 3,902 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 4 in Hi-Fi Amplifiers |
| Box Contents | Bluetooth Antenna x1, 32V 5A Power Supply x1 |
| Brand Name | Fosi Audio |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 8,779 Reviews |
| Item Weight | 567 Grams |
| Manufacturer | Fosi Audio |
| Manufacturer Part Number | BT20A |
| Model Number | BT20A |
| Number of Items | 1 |
| Product Warranty | 2 years |
| Unit Count | 1.0 count |

## Product Details

- **Item dimensions L x W x H:** 13.2 x 9 x 3.6 centimetres
- **Manufacturer:** Fosi Audio
- **Maximum supply voltage:** 24 Volts
- **Minimum supply voltage:** 12 Volts
- **Voltage:** 230 Volts

## Images

![Fosi Audio BT20A Bluetooth Amplifier for Speakers, Mini Stereo 2 Channel Amp Class D, with TPA3116 Chips 100W x 2 and Bass Treble Controls, for Home Audio Outdoor Passive Desktop Bookshelf Speakers - Image 1](https://m.media-amazon.com/images/I/61+cd+AMZcL.jpg)

## Questions & Answers

**Q: Can these be connected to skytronic 125.061 100w 4ohm ceiling speakers?**
A: not sure.i have them connected to jbl 100 w speakers. copes fine

**Q: Can I use it for 2 Technics speakers, 3way, 6ohm, 100w each?**
A: I've got it wired to my old Gale Gold Mark 2, rated 6-8 ohms 100w I think? Sounds great!

**Q: I want to use a 12v adapter. What size adapter pin/head is required? I have tried a few spares that I had, but none of them fit.**
A: OD: 5.5mm; ID: 2.5mm
BT20A comes with a 24V adapter, you can find one like its size.

**Q: Can a technics direct drive turntable work via the rca input or does the turntable need a preamp?**
A: The input sensitivity is stated as less than or equal to 280mV. If your turntable outputs I similar voltage (I guess in the range of 150 to 280mV) then I would say you probably don't need a preamp. However, if it's output is a lot less, you will need a preamp. Fosi have a range of turntable preamps to choose from. Look up the specs of your turntable to find it's output voltage range. Hope that helps.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fossi Audio BT20A
*by C***A on 28 September 2026*

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.

### ⭐⭐⭐⭐⭐ Surprisingly great. I am really surprised
*by P***K on 4 June 2023*

I brought the first amp a while ago and sent it back as I wasn’t happy with the sound quality or output. I think I said it may be ok for a small broom cupboard. Roll on 2 years or so and having re-read the reviews I decided I would give it another go With a fresh set of ears Maybe I had a bad one last time of they have tweaked the firmware or something, But it’s a very different amp from the one I recall - To my surprise this one was excellent- I would say unbeatable for the price. Ok so some complain that the Bluetooth is not protected so anyone can jump on it and that would be a nice extra but it is what it is. It’s driving a couple of external speakers with a well known home assistant input for the garden and I’m seriously impressed. Also tried some mission bookshelf speakers I had spare. Bass and treble are adjustable and work remarkably well. Bluetooth seems solid and clear; aux in is even better. Recommendation: set bass and treble to 50% (pointing straight up) as a starting point, this will give you a good reference point. I’m really fussy about sound and wasn’t expecting much but I’m really glad I gave this little beast a second go. I would absolutely recommend for small or mid size room.

### ⭐⭐⭐⭐ Great little unit with punchy audio and no background noise
*by G***H on 4 January 2024*

I used this unit to drive pair of floor-standing speakers which I use with my PC (I like decent sound quality). This unit delivers punchy bass with no background noise on either the aux input or via Bluetooth. I'd had background noise problems with the previous amplifier (a Tangent 50W per channel unit), probably due to a ground loop. The Fosi BT20A unit background noise is completely inaudible. The unit is also very small (about 1/10 the size of the amp it replaced) but with the same output power. This is probably due to the fact that it is a Class D amplifier which makes it very efficient. It is more than capable of filling the room with sound at concert hall levels. The only issue I've had is that occasionally the Bluetooth input will not reconnect after the PC has been asleep. This is easily solved by briefly cycling the BT20A power. In short, I'd happily buy another.

## Frequently Bought Together

- Fosi Audio BT20A Bluetooth Stereo Amplifier, 2 Channel Home Audio Component Amplifiers for Passive Speakers, Mini Class D Amp Receiver 200W for Indoor/Outdoor/Garage/Ceiling/Bookshelf Speaker
- Banana Plugs with Dual Set Screws,Black and Red Aluminum Shell,6 Pairs
- Amazon Basics Speaker Cable, Easy Assembly, 16-Gauge, Bronze, 100 ft

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-10-19*