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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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

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

₨68459

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Description

🎶 Elevate your soundscape—power, style, and wireless freedom in one sleek amp!

WIRELESS FREEDOM - Stream your favorite playlists flawlessly via Bluetooth with zero dropouts or lag.
POWER THAT COMMANDS - 100Wx2 channels deliver room-filling sound for any space, from home office to patio.
VERSATILE PLACEMENT - Compact, stylish design fits seamlessly on shelves, garages, or ceiling speaker setups.
PLUG PLAY SIMPLICITY - Effortless setup with one-touch power and intuitive bass/treble controls—no tech degree needed.
BUILT TO LAST IMPRESS - Durable Class D amp with a sleek all-black finish that elevates your audio aesthetic.

The Fosi Audio BT20A is a compact Class D Bluetooth stereo amplifier delivering 200W max power (100Wx2 channels) for passive speakers. Designed for versatile indoor/outdoor use, it features seamless Bluetooth connectivity, easy setup with bass/treble tuning, and a durable all-black design that complements any modern space. Perfect for millennials seeking powerful, stylish audio solutions with minimal fuss.

Specifications

ASIN	B07BQC7GNL
Best Sellers Rank	#1,829 in Electronics ( See Top 100 in Electronics ) #4 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 (9,641)
Item Type Name	Bluetooth Amplifier
Item Weight	567 Grams
Manufacturer	Fosi Audio
Mfr Part Number	BT20A
Model Number	BT20A
Unit Count	1.0 Count
Warranty Description	24-month manufacturer

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₨68459

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered 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 Sri Lanka.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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