How do I switch between RCA and Bluetooth on the BT20A?

Bluetooth takes priority over RCA. To switch to RCA, restart the device or disconnect Bluetooth.

What is the position for flat frequency response on the amplifier?

The middle position (12 o’clock) provides a flat frequency response.

What type of DC plug do I need for the BT20A’s power supply?

The DC barrel connector dimensions are 5.5*2.5mm.

What's the upgraded version of the BT20A amp, and what accessories come with it?

-If you're seeking the upgraded version of the BT20A, please consider the BT20A Pro amp.

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BT20A

Product ID: 62378448

Details

Item dimensions L x W x H
5.2 x 3.54 x
Manufacturer
Fosi Audio
Maximum Supply Voltage
24 Volts
Minimum Supply Voltage
12 Volts (DC)
Voltage
230 Volts

📶Seamless Bluetooth streaming

🔊200W max output power

🖤Sleek all-black compact design

CLP 178365

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Sold byAmazon ChileDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate your soundscape with power and style — don’t just listen, belong.

COMPACT ELEGANCE - Minimalist all-black design fits seamlessly into modern home or office aesthetics without clutter.
VERSATILE PLACEMENT - Perfectly sized for any space—garage, patio, bookshelf, or ceiling—bringing premium sound anywhere.
PLUG PLAY SIMPLICITY - One-touch power and intuitive bass/treble controls make setup and tuning a breeze.
POWER THAT PACKS A PUNCH - Delivers a robust 100Wx2 output to energize any passive speaker setup, indoor or outdoor.
EFFORTLESS WIRELESS STREAMING - Connect instantly via Bluetooth for flawless, drop-out free audio from any device.

The Fosi Audio BT20A is a mini Class D Bluetooth stereo amplifier delivering 200W total power (100Wx2 channels) to drive passive speakers with crystal-clear sound. Its compact, all-black design complements any space, while seamless Bluetooth connectivity and simple controls make it ideal for versatile indoor and outdoor audio setups. Perfect for millennials seeking powerful, stylish, and easy-to-use audio solutions that enhance both home and social environments.

Specifications

ASIN	B07BQC7GNL
Best Sellers Rank	#3,192 in Electronics ( See Top 100 in Electronics ) #5 in Audio Component Amplifiers
Brand	Fosi Audio
Built-In Media	Fosi Audio BT20A Amplifier x1, 24V 4.5A Power Supply x1, User Manual x1
Customer Reviews	4.5 4.5 out of 5 stars (8,814)
Item Type Name	Bluetooth Amplifier
Item Weight	567 g
Manufacturer	Fosi Audio
Mfr Part Number	BT20A
Model Number	BT20A
Number of Items	1
Unit Count	1 Count
Warranty Description	24-month manufacturer

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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CLP 178365

Duties & taxes included

In stock

Sold byAmazon ChileDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Chile.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

2 days ago

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The delivery time was excellent, and the packaging was secure.

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