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

🎛️Bass & treble tone control

$184.65

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎵 Elevate your audio game—because your speakers deserve the best!

PLUG PLAY SIMPLICITY - Quick setup and one-touch power switch get you rocking in seconds.
COMPACT YET MIGHTY DESIGN - Sleek all-black Class D amp fits stylishly on any shelf or setup.
POWER YOUR SPACE WITH 200 W PUNCH - Unleash rich, room-filling sound for home, office, or outdoor vibes.
EFFORTLESS BLUETOOTH CONNECTIVITY - Stream your favorite playlists wirelessly with zero dropouts or lag.
INTUITIVE CONTROLS FOR PERFECT SOUND - Fine-tune bass and treble with smooth knobs to match your mood.

The Fosi Audio BT20A is a compact, 2-channel Class D Bluetooth amplifier delivering up to 200W of crisp, powerful sound. Designed for versatile use with passive speakers, it features seamless Bluetooth streaming, easy bass and treble adjustments, and a sleek all-black finish that complements any space. Perfect for indoor or outdoor setups, it combines high performance with user-friendly operation and durable design.

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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$184.65

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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