Next-Generation 2-Channel Bluetooth Power Amplifier!
The Fosi Audio BT20A Pro is a next-generation Bluetooth amplifier featuring the powerful Texas Instruments 3255 amplifier chip, delivering up to 300 W per channel with extremely low distortion across the audio spectrum and outstanding sound quality. Use the tone controls to tailor the treble and bass to your liking. The BT20A Pro is designed and built to provide you with a completely new music experience.

Experience Music in a Completely New Way
A fantastic HiFi setup on a small budget that complements your turntable, CD player, and speakers.

Bluetooth 5.0 Connection
Connect your phone, tablet, or other Bluetooth devices quickly and easily.

Logarithmic Taper A-Control
Personalized controls allow for a smooth gradual increase or decrease, ensuring gentle amplification and controlled gain. Tone controls with mid potentiometers provide pure original sound output.

High-Quality Amplifier Chip Integrated
The TPA3255 chip, compatible with 24 V to 48 V power supply, delivers true premium sound quality and low idle losses in the power range with Class D efficiency.

Replaceable Operational Amplifiers
Choose your preferred op-amp chip to replace the socketed NE5532 and achieve your desired sound signature.

Advanced Inductors
High-quality inductors ensure high and stable output power for the best listening experience.
Features
- Max Output Power: 2x 300 Watts at 4 Ohms
- SNR: =108 dB
- Load Impedance: 2-8 Ohms
- THD: 0.005 %
- Power Amplifier Chip: TPA3255
- Power Supply: 32 V 5 A
- Input Voltage Range: 24-48 V DC
- Frequency Range: 20 Hz-20 kHz (±1.2 dB)
- Bluetooth Transmission Range: up to 15 m
- Bluetooth Codec: AAC/SBC
- Audio Input: RCA/Bluetooth
- Audio Output: Speaker Output/3.5 mm Preamp Output
Scope of delivery
- 1 x Fosi Audio BT20A Pro HiFi Amplifier
- 1 x Power Supply
- 1 x Bluetooth Antenna
Suitable accessories (Not included in the delivery.)
Specification
- Product number 00112765
- Power (Watts) 300
- Outputs 3.5mm Stereo-Klinke, Klemmanschlüsse für Lautsprecher
- Inputs Bluetooth, Cinch / RCA
- Colour Grey
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Financing
ConsorsFinanz Finanzierung
- 6 to 72 months term
- 0% financing for 10,91 € per month
- More information on financing
| Operating instructions / manual |
| 3 Year warranty | |
| 30 Day Money Back | |
| Price Match Guarantee | |
| Over 2.000.000 satisfied customers |
The hotline is currently not manned. You can reach us again on Monday, 27.04.2026 at 09:30.
| Monday | 09:30 - 18:00 | |
| Tuesday | 09:30 - 18:00 | |
| Wednesday | 09:30 - 18:00 | |
| Thursday | 09:30 - 18:00 | |
| Friday | Closed |
Different opening times |
| Saturday | 09:30 - 13:30 |






