
Fosi Audio
Fosi Audio BT20A Pro Bluetooth Stereo Power Amp - Gray / 48V 5A
Reviewed byOrganicDiscount TeamUpdated 24 Jun 2026
Best price available
£119.99
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
£119.99
Average Price
£119.99
Lowest Ever
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Highest Ever
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Compare Prices (1 merchant)
Compare prices for Fosi Audio BT20A Pro Bluetooth Stereo Power Amp - Gray / 48V 5A
| Merchant | Price | Shipping | Total | Status | |
|---|---|---|---|---|---|
Fo Fosi Audio Best Price | £119.99 | — | £119.99 | In Stock | Go to Store |
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Product Details
| Brand | Fosi Audio |
| Merchant | Fosi Audio |
| MPN | BT20APRO-G+48V |
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