Fosi Audio BT20A PRO Bluetooth Stereo Amplifier - 48v DC
The Fosi Audio BT20A PRO is a compact Class-D bluetooth stereo amplifier designed to deliver powerful, hi-fi performance in a small footprint. Powered by a 48 V power supply, it offers up to 300 watts per channel into 4 Ohm for clean, dynamic sound that brings music and movies to life. Bluetooth 5.0 wireless audio streaming, RCA inputs, and independent bass and treble controls make it simple to connect, fine-tune, and enjoy. With its solid aluminium build and refined sound signature, the BT20A PRO from Fosi Audio brings big-system performance to any desktop or living space speakers.
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Fosi Audio BT20A PRO 48v Bluetoooth 300w x 2 Amplifier
Overview
The Fosi Audio BT20A PRO with Bluetooth is a compact Class-D stereo amplifier designed for listeners who want clean power and effortless control from a small, refined package. Using the Texas Instruments TPA3255 chip and a robust 48 V power supply, it delivers up to 300 watts per channel into 4 Ohm with impressive clarity. Music feels energetic and detailed, with fast transients, open midrange presence, and bass that remains tight and expressive even at higher volumes. It’s a sound that brings life to bookshelf and floor-standing speakers alike.
Connectivity for this compact amplifier from Fosi Audio is simple and modern. Bluetooth 5.0 with aptX provides stable, high-quality streaming for everyday listening, while the RCA input supports DACs, streamers, CD players, or turntables with external phono stages. Tone controls for bass and treble offer easy adjustment when fine-tuning a room or matching speaker characteristics. Whether used on a desktop or as part of a compact living-room system, the Fosi BT20A PRO amp makes it effortless to shape your sound while keeping your setup clean and uncluttered.
Build quality is equally thoughtful. The solid aluminium chassis of the BT20A PRO feels sturdy and refined, offering excellent resistance to vibration and electrical noise. Gold-plated connectors and heavy-duty binding posts ensure consistent, secure contact with your cables. Despite its strong power output, the amplifier stays cool and stable thanks to its efficient circuit design. The compact footprint also makes it ideal for modern listening spaces where performance matters more than size.
For Groove Central listeners, the BT20A PRO (48 V version) stereo Bluetooth amplifier offers an ideal balance of convenience, power, and musical realism. It pairs beautifully with the ZD3 DAC or BOX X5 phono preamp, forming a clean and capable hi-fi system that remains easy to use yet deeply engaging. Whether you’re streaming, spinning discs, or exploring new playlists, the BT20A PRO delivers a confident, enjoyable sound that fits naturally into everyday listening.
Key Features
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High-efficiency TPA3255 Class-D chip delivers up to 2 × 300 W output (48 V / 5 A supply).
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Bluetooth 5.0 with aptX codec for high-quality wireless streaming.
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RCA stereo input for CD players, DACs, and analogue sources.
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Independent bass and treble tone controls for tailored sound adjustment.
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Audiophile-grade gold-plated RCA and binding-post speaker terminals.
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CNC-machined aluminium enclosure for strength and low interference.
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Compact design ideal for desktop and bookshelf systems.
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Efficient, low-heat operation with stable 48 V power supply.
Technical Stuff
| Product Type: | Stereo Bluetooth Amplifier |
| Technology: | Solid-State |
| Max Output Power: | 300 W × 2 @ 4 ohms (stereo) |
| Amplification Type: | Class D |
| Chipset: | Texas Instruments TPA3255 |
| Frequency Response: | 20 Hz – 20 kHz (± 1.2 dB) |
| THD: | < 0.003 % |
| SNR: | ≥ 108 dB |
| Dynamic Range: | ≥ 108 dB |
| Inputs: |
Bluetooth Single-ended RCA |
| Outputs: |
Speaker binding posts Pre-out - 3.5mm Stereo |
| Bluetooth: | 5.0 |
| Audio Codec: | aptX, SBC, AAC |
| Bluetooth range: | Approx. 10m (line of sight) |
| Power Supply: | 12 – 24 V DC (supplied 24 V / 4.5A adapter) |
| Dimension (WxHxD): | 105 × 35 x 166 mm |
| Weight: | 550g |
| Finish: | Black anodised aluminium |
Fosi Audio BT20A PRO Stereo Amplifier - A Quick Look ...
For More Information
Visit the manufacturer's website.
Returns Policy
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Should you wish to return your order, please notify us within 14 days of purchase with a valid reason for return. If we are unable to resolve your complaint or further assist you, we will process a refund upon timely receipt of the goods purchased. Unopened goods will be refunded in full. Refunds will be processed promptly and payment made by the same method that you made payment. All refunds are made at the discretion of groovecentral.com.au.
Shipping
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