---
product_id: 254857527
title: "Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (with Power Supply)"
brand: "fosi audio"
price: "€ 110.58"
currency: EUR
in_stock: true
reviews_count: 12
category: "Fosi Audio"
url: https://www.desertcart.pt/products/254857527-fosi-audio-bt20a-bluetooth-5-0-stereo-audio-2-channel
store_origin: PT
region: Portugal
---

# TPA3116D2 chip for <0.04% THD Bluetooth 5.0 with 50ft range 100W x 2 RMS power output Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (with Power Supply)

**Brand:** fosi audio
**Price:** € 110.58
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game—compact power that commands attention.

## Quick Answers

- **What is this?** Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (with Power Supply) by fosi audio
- **How much does it cost?** € 110.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/254857527-fosi-audio-bt20a-bluetooth-5-0-stereo-audio-2-channel)

## 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

- • **Safe & Reliable:** Built-in speaker protection and a stable 24V/4.5A power supply keep your setup secure and humming smoothly.
- • **Powerful yet Compact:** 100W per channel delivers room-filling Hi-Fi sound without the bulk.
- • **Audiophile-Grade Clarity:** Texas Instruments TPA3116D2 chip minimizes distortion to under 0.04%, preserving every note’s purity.
- • **Customizable Sound Profile:** Integrated bass and treble controls let you tailor your audio vibe to match your mood or space.
- • **Seamless Wireless Streaming:** Bluetooth 5.0 ensures stable, low-latency connection up to 50 feet—cut the cords, not the quality.

## Overview

The Fosi Audio BT20A is a sleek, mini Hi-Fi Class D amplifier featuring dual 100W RMS output channels powered by advanced Texas Instruments TPA3116D2 chips. Equipped with Bluetooth 5.0 for wireless streaming up to 50 feet, it offers audiophile-grade clarity with less than 0.04% distortion. Designed for passive speakers, it includes bass and treble controls, a robust 24V/4.5A power supply, and built-in protection circuits, making it a perfect compact powerhouse for home audio enthusiasts seeking premium sound without compromise.

## Description

Product description 2.0 Channel Bluetooth Stereo Amplifier Our Story Fosi Audio was founded with a simple goal: Build products that sound great and make people want to listen to music every day. We design,and sell many Hi-Fi audio products on the market. We pursue your perfect music journey. Enjoy Hi-Fi music with Fosi Audio audio！ Product Parameters Power Adapter: 24V/4.5A DC Input Range: 12-24V Terminating Impedance: 2 Ohm - 8 Ohm MAX Power Output: 100W x 2 THD ≤ 0.04% Frequency Range: 20Hz - 20kHz (±1 dB) SNR ≥ 98dB Input Sensitivity ≤ 280mV Input Mode: Bluetooth and RCA Bluetooth Transmission Distance: Up to 50 Ft 2 Channel Power Amp: BT10A, BT20A, TB10A, V1.0G, TDA7498E, ZK-1002, ZK-502T. 2.1 Channel Power Amp: BT30A, BT30D, BL20A, BL20C, ZK-TB21 DAC: Q4, DA2120A, DA2120B, DA2120C, DA2120D Subwoofer Amp: TP-02, M02, M03, M04 Phono Preamp: BOX X1, BOX X2, BOX X4; Tube Preamp: P1 Extraordinary Clarity Hi-Fi Sound Instant setup with phones, tablets, and almost any other Bluetooth-enabled device. Bluetooth 5.0 chip ensures your devices maintain a strong, stable connection up to 50 Ft away for skip-free music. Advanced Audio Architecture The High-Performance Texas Instruments TPA3116D2 Chip presents music with rousing highs and deep lows. Even at high volumes, there’s less than 0.04% harmonic distortion resulting in remarkable clarity. Irresistible Finish Fosi Audio BT20A's curved edges and sleek controls accentuate its unibody design. With truly useful features, and thoughtfully designed premium enclosures. A new generation: exquisite design, improved operation. Drive passive speakers Perfect if you prefer separate passive speakers and preamps for your audio setup. 100 watt per channel power output can drive most home passive speakers to create astonishing Sound. Easy to fit your audio system with Bluetooth and RCA input Safe DC Outlet With a built-in power protection circuit, there are no sparks flying when you plug the power adapter into the amplifier. Safe for use! 24V/4.5A Power Supply Fosi Audio BT20A equip with an energy-efficient and stable power supply can get an astonishing sound.

Review: 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 desertcart. 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
Review: Good sound for the price - I’ve had it for a year and no problems, great sound

## Features

- Simple compact design but practical and powerful, little Hi-Fi Bluetooth wireless amplifier exclusively designed for the customers who pursue HiFi sound.
- Bluetooth 5.0 core, up to 50ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established.
- BT20A Bluetooth stereo receiver amplifier adopts 2PCS Texas Instruments TPA3116D2 chip. The TPA3116D2 are stereo efficient and digital amplifier power stage for driving speakers, with advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences.kers, (For passive speakers only, not the powered speakers.)
- 100W RMS X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), comes with a 24V power supply, can drive 280watts(8 ohms), 320watts(4 ohms) speakers.(for passive speakers only, not the powered speakers).
- Advanced circuitry design, built-in speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home.
- What You Get: BT20A home integrated digital amplifier x1, 24V/4.5A power supply x1, user manual x1, our worry-free 24-month warranty, and friendly customer service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BQC7GNL |
| Best Sellers Rank | #3,963 in Electronics ( See Top 100 in Electronics ) #7 in Home Audio Amplifiers |
| Brand | Fosi Audio |
| Customer Reviews | 4.5 out of 5 stars 9,317 Reviews |
| Item Weight | 567 Grams |
| Manufacturer | Fosi Audio |
| Mfr Part Number | BT20A |
| Model Number | BT20A |
| Unit Count | 1 Count |

## Product Details

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

## Images

![Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (with Power Supply) - Image 1](https://m.media-amazon.com/images/I/61+cd+AMZcL.jpg)

## Questions & Answers

**Q: Possible to connect this one to a sub woofer**
A: There is no connection for a subwoofer with this item.

**Q: Can I install it outdoors under a canopy ?**
A: Yes sir you can install outdoor only you need power socket

## Customer Reviews

### ⭐⭐⭐⭐⭐ Small is beautiful!
*by D***Y on 25 April 2023*

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

### ⭐⭐⭐⭐⭐ Good sound for the price
*by M***L on 23 May 2025*

I’ve had it for a year and no problems, great sound

### ⭐⭐⭐⭐ reliable
*by M***O on 16 March 2025*

small but reliable amplifier. it would be better if it is capable of multiple bluetooth connection.

## 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 Portugal*
*Store origin: PT*
*Last updated: 2026-08-01*