The Fosi Audio BT20A features Bluetooth 5.0 connectivity, Class D amplification, and comprehensive audio capabilities. This compact amplifier delivers reliable performance with practical features.
Reasons to Buy
- Good Power: 100W x 2 output for 4-ohm speakers
- Versatile Inputs: Bluetooth 5.0 and RCA connections
- Tone Control: Bass and treble adjustment knobs
- Wide Compatibility: Works with 2-8 ohm passive speakers
What Makes It Stand Out
The BT20A combines practical features with efficient performance. The Bluetooth 5.0 connection provides up to 50ft range with minimal signal delay, while the compact design (5.1 x 3.9 x 1.4 inches) fits easily in any setup. The built-in speaker protection circuit ensures safe operation.
Features
This amplifier includes:
- Bass and treble controls
- Power indicator light
- Bluetooth antenna
- 24V power supply
- Speaker terminals
Specifications
| Feature | Description |
|---|---|
| Power Output | 100W x 2 (4 ohm) |
| THD | ≤ 0.04% |
| Frequency Range | 20Hz-20kHz (±1dB) |
| SNR | ≥ 98dB |
| Bluetooth Range | Up to 50ft |
| Power Supply | 24V/4.5A |
Why We Like This Deal
At $79.99, this amplifier offers excellent value for basic features. While there’s also a more powerful Pro version available with the TPA3255 chip (225W x 2), this standard model provides sufficient power for most home audio setups at a more affordable price point.
