---
product_id: 85729159
title: "BT20A Pro Bluetooth 5.0 Amplifier, 300W x2 Wireless Amp, TPA3255 2 Channel Mini Class D Integrated Home Audio Outdoor Stereo Receiver with Bass Treble Control for Passive Speakers"
brand: "fosi audio"
price: "€ 240.68"
currency: EUR
in_stock: true
category: "Fosi Audio"
url: https://www.desertcart.at/products/85729159-bt20a-pro-bluetooth-5-0-amplifier-300w-x2-wireless-amp
store_origin: AT
region: Austria
---

# Bluetooth 5.0 Connectivity 300W x2 Power Output Custom Bass & Treble Control BT20A Pro Bluetooth 5.0 Amplifier, 300W x2 Wireless Amp, TPA3255 2 Channel Mini Class D Integrated Home Audio Outdoor Stereo Receiver with Bass Treble Control for Passive Speakers

**Brand:** fosi audio
**Price:** € 240.68
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your sound game with power, precision, and wireless freedom!

## Quick Answers

- **What is this?** BT20A Pro Bluetooth 5.0 Amplifier, 300W x2 Wireless Amp, TPA3255 2 Channel Mini Class D Integrated Home Audio Outdoor Stereo Receiver with Bass Treble Control for Passive Speakers by fosi audio
- **How much does it cost?** € 240.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/85729159-bt20a-pro-bluetooth-5-0-amplifier-300w-x2-wireless-amp)

## 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

- • **Powerhouse Performance:** Dual 300W channels deliver room-filling, crystal-clear sound that commands attention.
- • **Tailor Your Soundscape:** Adjust bass and treble independently for a personalized audio experience that fits your vibe.
- • **Seamless Wireless Freedom:** Bluetooth 5.0 ensures ultra-stable, lag-free streaming with effortless device pairing and memory recall.
- • **Audiophile-Grade Precision:** TPA3255 chip with ultra-low distortion (THD ≤ 0.005%) and high signal-to-noise ratio (≥108dB) for pristine clarity.
- • **Upgrade Your Audio Arsenal:** Swap Op-Amps to customize tonal character, making your setup truly one-of-a-kind.

## Overview

The Fosi Audio BT20A Pro is a compact, high-efficiency Class D amplifier featuring dual 300W output channels powered by the TI TPA3255 chip. It offers Bluetooth 5.0 wireless connectivity with easy pairing and memory functions, plus customizable bass and treble controls. Audiophiles can further personalize sound by swapping Op-Amps. Ideal for home or outdoor passive speaker setups, it combines powerful performance with sleek, user-friendly design.

## Description

Buy Fosi Audio BT20A Pro Bluetooth 5.0 Amplifier, 300W x2 Wireless Amp, TPA3255 2 Channel Mini Class D Integrated Home Audio Outdoor Stereo Receiver with Bass Treble Control for Passive Speakers: Amplifiers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- 300 Watts x 2 Power Output: The TI TPA3255 chip amplifier has a feedback design and high-speed gate driver error connection for efficient and quality audio performance, with a low idle loss of <2.5W
- High-Efficiency: The chip amplifier has replaceable Op-Amps for a custom approach when compared to the BT20A amplifier. Further, you can swap the 2 plug-in NE5532 Op-Amps for LME49720HA, MUSES02, OPA2604AP, OPA2134PA, LM4562, or NJM4556AD Op-Amps to achieve distinct sound qualities. It boasts an SNR≥108dB and THD≤0.005%
- Bluetooth 5.0 Connectivity: The Bluetooth pair can be removed by pressing and holding the volume control for 5 seconds, and it also has a memory function for easy pairing and an alert tone for convenience
- Custom Sound with Bass and Treble Controls: The BT20A Pro home audio amplifier has a sound control design so that you can experience sound without effects by setting treble and bass effects to the middle point
- Package Contents: The package contains a BT20A Pro power amplifier, a Bluetooth antenna, a 32V/5A power adapter, an AC cord, and a user manual

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JVFY27T |
| Best Sellers Rank | #2,709 in Electronics ( See Top 100 in Electronics ) #3 in Audio Component Amplifiers |
| Brand | Fosi Audio |
| Built-In Media | BT20A Pro Bluetooth Amplifier x1, 32V 5A Power Adapter x1, User Manual x1 |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,982) |
| Item Weight | 567 g |
| Manufacturer | Fosi Audio |
| Mfr Part Number | BT20A Pro |
| Model Number | BT20A PRO |
| Number of Items | 1 |
| Unit Count | 1 Count |

## Product Details

- **Item dimensions L x W x H:** 5.59 x 4.21 x 0.16 inches
- **Manufacturer:** Fosi Audio
- **Maximum Supply Voltage:** 32 Volts (DC)
- **Minimum Supply Voltage:** 32 Volts (DC)
- **Voltage:** 32 Volts

## Images

![BT20A Pro Bluetooth 5.0 Amplifier, 300W x2 Wireless Amp, TPA3255 2 Channel Mini Class D Integrated Home Audio Outdoor Stereo Receiver with Bass Treble Control for Passive Speakers - Image 1](https://m.media-amazon.com/images/I/61ne1lo34ML.jpg)

## Frequently Bought Together

- Fosi Audio BT20A Pro Bluetooth 5.0 Amplifier, 300W x2 Wireless Amp, TPA3255 2 Channel Mini Class D Integrated Home Audio Outdoor Stereo Receiver with Bass Treble Control for Passive Speakers
- 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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**Shop now:** [https://www.desertcart.at/products/85729159-bt20a-pro-bluetooth-5-0-amplifier-300w-x2-wireless-amp](https://www.desertcart.at/products/85729159-bt20a-pro-bluetooth-5-0-amplifier-300w-x2-wireless-amp)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-09-26*