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.

Desertcart Logo

Deliver to Slovakia

For best experience Get the App

DOWNLOAD THE APP

WE SOURCE ITEMS FROM

UAE
UK
India
USA
Japan
KOREA

Customer Services

About Us

Customer Support

Description

🎵 Elevate your soundscape—because your space deserves to be heard.

COMPACT STYLISH - Sleek all-black Class D design fits seamlessly into modern home or office setups.
VERSATILE PLACEMENT - Perfectly sized for indoor/outdoor use—garage, patio, bookshelf, or ceiling speakers included.
POWERHOUSE PERFORMANCE - Unleash 100Wx2 channels of crystal-clear sound that fills any room or venue.
USER FRIENDLY CONTROLS - One-touch power and smooth tone adjustments put you in full command of your audio vibe.
EFFORTLESS CONNECTIVITY - Stream your favorite playlists instantly with stable, no-lag Bluetooth and RCA inputs.

The Fosi Audio BT20A is a compact, ClimatePartner certified Class D Bluetooth stereo amplifier delivering 200W total power across 2 channels. Designed for passive speakers, it offers seamless wireless streaming, intuitive bass and treble controls, and a durable all-black finish, making it ideal for versatile indoor and outdoor audio setups.

€ 160.53

Duties & taxes incl.

Slovakiastore

Free Shipping

with PRO Membership

Free Returns

30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

View all Trustpilot reviews

Item Dimensions	5.2 x 3.54 x 1.42 inches
Number of Channels	2
Output Power	200 Watts
Voltage	230 Volts

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 SpeakerClimatePartner certified

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions