
Fosi Audio
Fosi Audio BT20A Pro Bluetooth Stereo Power Amp - Blue / 32V 5A
Reviewed byOrganicDiscount TeamUpdated 2 Jul 2026
Best price available
£99.99
Key features
- High Efficiency: A significant upgrade from the BT20A amplifier
- There're two plug-ins NE5532 Op-Amps can be replaced by SS3602, MUSES02, OPA2134PA Op-Amps, etc
- SNR≥108dB; THD≤0.005%
Product Overview
300 Watts x2 Power Output: Provided by the TI TPA3255 chip which features an advanced feedback design and proprietary high-speed gate driver error correction. In addition to excellent audio performance, TPA3255 achieves both high power efficiency and very low power stage idle losses below 2.5W. High Efficiency: A significant upgrade from the BT20A amplifier.
There're two plug-ins NE5532 Op-Amps can be replaced by SS3602, MUSES02, OPA2134PA Op-Amps, etc. To create a different sound quality. SNR≥108dB; THD≤0.005%.

Upgraded Bluetooth 5.0 connectivity: By pressing and holding the volume control for five seconds, the Bluetooth pair can be cleared. In addition, it has a Bluetooth memory function, so it can be easily paired the next time. It also receives an alert tone.
Sound Control: With its unique design, the BT20A Pro amplifier for home audio has a wide range of bass and treble controls. Alternatively, you can turn the treble and bass effects to a middle point to listen to the original sound without effects. What you Get: BT20A Pro Power Amplifier x1(The plug of the power adapter will match the country of your delivery address), Bluetooth Antenna x1, 32V 5A Power Adapter x1, AC Cord x1, User Manual x1, our worry-free 24-month warranty, and friendly customer service.
Good to Know
If you don't require a Bluetooth amplifier as much, you can consider the TB10D. It has the same chip and power output, but at a more affordable price!
Pros & Cons
Pros
- In stock and ready to ship
- High Efficiency: A significant upgrade from the BT20A amplifier
- There're two plug-ins NE5532 Op-Amps can be replaced by SS3602
Cons
- Currently sold by only one merchant — limited price competition
- No customer reviews yet
- Price history not yet established
Price Analysis
Fair Price
The current price is around the average. It's a reasonable time to buy.
Current Best
£99.99
Average Price
£99.99
Lowest Ever
—
Highest Ever
—
Compare Prices (1 merchant)
Compare prices for Fosi Audio BT20A Pro Bluetooth Stereo Power Amp - Blue / 32V 5A
| Merchant | Price | Shipping | Total | Status | |
|---|---|---|---|---|---|
Fo Fosi Audio Best Price | £99.99 | — | £99.99 | In Stock | Go to Store |
Price Alert
Get notified when the price drops. No account required.
Product Details
| Brand | Fosi Audio |
| Merchant | Fosi Audio |
| MPN | BT20APRO-B+32V |
You might also like
Browse all products →
37% OFFIscooter uk
iScooter DX5Pro / DX5 2000W Electric Scooter with Seat & Large Basket - Moped Style - DX5 1500W
Best price at ihoverboard
37% OFFiScooter
iScooter iX5 / iX5S 1000W Off Road Electric Scooter - iX5S with Seat
Best price at ihoverboard
39% OFFiHoverboard UK
W8 750W Off Road Electric Scooter
Best price at ihoverboard

Printify
Bloom Bae Neon Green TX Floral T-Shirt - Gravel / 4XL
Best price at Blade Infiniti
Temu
TEMU Fake Belly Fake Costume For Themed Parties, Valentine's Day Cosplay, Easter Carnival, Christmas, Halloween, Parent, Anniversary Performances
Best price at Temu Affiliate Program

Ontaki
ONTAKI Duckbill Applique Scissors (4.5")
Best price at Ontaki Affiliate program

Birchmere Music Hall
Eric Darius
Best price at TicketNetwork Affiliate Program

The Meadows - Brooklyn
Riot
Best price at TicketNetwork Affiliate Program
Frequently Asked Questions
What is the best price for Fosi Audio BT20A Pro Bluetooth Stereo Power Amp - Blue / 32V 5A?+
How do I get notified when Fosi Audio BT20A Pro Bluetooth Stereo Power Amp - Blue / 32V 5A drops in price?+
Is Fosi Audio a good brand?+
How we make money
OrganicDiscount is free to use. When you click a link to a merchant and make a purchase, we may earn a small affiliate commission at no extra cost to you. This helps us keep the site running and continue comparing prices across UK retailers. Our rankings and recommendations are never influenced by commission — we always show the lowest price first.