Fosi Audio BT10A Bluetooth Stereo Amplifier
- 2 channel Class D amplifier
- 50W x 2 output
- Bluetooth 5.0 receiver
- TPA3116 amplifier chip
Last refreshed Jun 20, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A mini stereo amplifier with Bluetooth for powering passive home speakers. The listing gives only a title, so inputs, outputs and power details are unknown.
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ASIN: B076XSBCCLModel: BT10ACategory: Stereo Amplifiers
Overview
A listener with passive speakers at home and a phone full of music gets a compact Class D amplifier with a Bluetooth receiver. It takes a wireless stream and powers a left and right speaker through its built-in amplifier.
The reason to buy is a small, simple route from a phone to unpowered speakers. The limit is detail: the listing names the output, chip and Bluetooth version but nothing about inputs, connectors or the power supply.
Who it's for
Music listeners with bookshelf or home speakers who want wireless playback from a phone or tablet will use the stereo output. Buyers needing multiple inputs or detailed specifications should check the maker's sheet, because the listing is brief.
Pros and cons
- Compact Class D design
- Bluetooth built in
- Stereo output for passive speakers
- Named amplifier chip
- Inputs and outputs not listed
- Power supply not described
- Contents not itemized
- Speaker impedance not listed
Performance notes
Class D amplifiers switch rapidly to turn power into audio, which allows a small body and little heat. The output rating shows how much power each speaker channel can receive, and speaker match affects results. Bluetooth sound quality depends on the phone and codec.
Specifications
| Brand | Fosi Audio |
|---|---|
| Model | BT10A |
| Wireless Technology | Bluetooth 5.0 |
| Number of Channels | 2 channel |
| Amplifier class | Class D |
| Output power | 50W x 2 |
| Amplifier chip | TPA3116 |
Frequently asked questions
Does the Fosi Audio BT10A have Bluetooth?
Yes. The title lists Bluetooth 5.0.
How much power does the Fosi Audio BT10A deliver?
The title says 50W x 2 on a 2 channel Class D design.