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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الحساب عربة التسوق

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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الحساب عربة التسوق

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 durable design

47.60 OMR

Duties & taxes included

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Description

🎶 Elevate your space with powerhouse sound and sleek style—because your playlist deserves the best.

COMPACT YET COMMANDING - Mini Class D design fits stylishly on any shelf while powering multiple passive speakers effortlessly.
PLUG PLAY SIMPLICITY - One-touch power switch and easy setup get your audio going in seconds—no tech headaches.
TAILOR YOUR SOUNDSCAPE - Smooth bass and treble controls let you customize audio to match your mood and décor.
POWER THAT PACKS A PUNCH - 100Wx2 channels deliver room-filling sound for any space, from home office to patio.
STREAMLINED BLUETOOTH CONNECTIVITY - Wirelessly stream your favorite playlists with zero dropouts or lag for uninterrupted vibes.

The Fosi Audio BT20A is a compact, 2-channel Class D Bluetooth amplifier delivering up to 200W total power. Designed for versatile indoor and outdoor use, it supports passive speakers with easy setup, seamless wireless streaming, and customizable sound controls—all wrapped in a durable, minimalist black chassis perfect for modern living spaces.

Specifications

ASIN	B07BQC7GNL
Best Sellers Rank	#2,862 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 (9,786)
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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