Fosi Audio
Fosi Audio BT20A Bluetooth Speaker Amp
Best For: Bluetooth Amp
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A compact desktop amplifier with built-in Bluetooth connectivity and manual tone controls. Highly reliable Class D design capable of driving passive speakers with a rich, clean low-end
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Product Overview
A compact desktop amplifier with built-in Bluetooth connectivity and manual tone controls. Highly reliable Class D design capable of driving passive speakers with a rich, clean low-end.
Key Features
- Amplifier Chip: Texas Instruments TPA3116D2
- Max Power Output: 100W x 2 @ 4Ω
- Inputs: Bluetooth 5.0 & RCA Stereo
- Outputs: Speaker terminals
- EQ: Independent Bass & Treble controls
Technical Specifications
| Amplifier Chip | TI TPA3116D2 (Class D) |
| Output Power | 100W x 2 (200W max) |
| Bluetooth | 5.0 |
| Inputs | Bluetooth + RCA |
| Controls | Bass and treble adjustment |
Pros
- Excellent sound quality for the price
- Great budget fidelity
- Robust build quality
Cons
- Requires adequate source output power
- Standard accessories
Price & Availability Disclaimer: Catalog source last checked on June 9, 2026. Confirm the exact model and specifications with the manufacturer. Retailer prices and stock levels can change. The price, availability, shipping terms, taxes, returns, and warranty terms shown by the external retailer at the time of purchase will govern the sale.