1 / 10Fosi Audio BT20A PRO 300WX2 TPA3255 Bluetooth 2 Channel Class D Amplifiers Hi-Fi
Brand: Fosi Audio
In stock
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- Ships from
- US
- Format
- Buy It Now
Sold by
fosiaudio-official-store
6,042 feedback · 99.6 positive
Specifications
- Frequency Range
- 20Hz-20kHz(±1.2dB)
- DC Input Range
- 24-48V
- Output Power
- 300Wx2 @4Ω
- MPN
- TPA3255
- Year Manufactured
- 2023
- Compatible Product
- Antenna
- Audio Outputs
- Banana Speaker Jacks
- Amplifier Class
- D
- Power Supply
- 32V 5A
- Brand
- Fosi Audio
- THD
- ≤0.005%
- Type
- Hi-Fi Amplifier
- Audio Inputs
- RCA
- Chip Set
- TPA3255
- Number of Channels
- 2
- Manufacturer Warranty
- 1 Year
- Input Mode
- Bluetooth 5.0 + RCA
- SNR
- ≥108dB
- Model
- BT20A-PRO
- Features
- Digital
- Power
- 300W x2
- Output Mode
- Passive Speakers + Pre-out
- UPC
- 731235301456
About this product
Store Categories BLUETOOTH AMPLIFIER HEADPHONE AMPLIFIER PREAMP DAC 2 CHANNEL AMPLIFIER 2.1 CHANNEL AMPLIFIER MONO AMPLIFIER SUBWOOFER AMPLIFIER Hot sale Headphones Auto amp Turntable Other Fosi Audio BT20A Pro 300W x2 TPA3255 Bluetooth 5.0 Home Audio Stereo 2 Channel Amplifier Receiver Mini Hi-Fi Class D Upgraded Inte…Read full descriptionShow less
Store Categories
- BLUETOOTH AMPLIFIER
- HEADPHONE AMPLIFIER
- PREAMP
- DAC
- 2 CHANNEL AMPLIFIER
- 2.1 CHANNEL AMPLIFIER
- MONO AMPLIFIER
- SUBWOOFER AMPLIFIER
- Hot sale
- Headphones
- Auto amp
- Turntable
- Other
Fosi Audio BT20A Pro 300W x2 TPA3255 Bluetooth 5.0 Home Audio Stereo 2 Channel Amplifier Receiver Mini Hi-Fi Class D Upgraded Integrated Amp for Speakers with Bass Treble Control
Product Description
Features
- Swappable Op-Amps: 2x TI NE5532 op-amps, compatible with MUSES02/OPA2604/OPA2134PA etc.—tailor sound for Hi-Fi enthusiasts.
- Stable Bluetooth 5.0: 50ft range, SBC/AAC support, auto-reconnect memory, and one-touch pairing reset (hold volume knob 5s) with audible alerts.
- Flexible Control & Connectivity: Bass/treble knobs with center detent (flat response option). Dual inputs (Bluetooth + RCA) and outputs (passive speakers + 3.5mm pre-out for subwoofers).
- Premium Build: Japanese Sumida inductors, Omron relays, soft-start resistor, and true zero-standby power-off. 5x5x1 inch mini size, available in Gunmetal Gray/Deep Space Blue.
Refurbished Quality Assurance
This unit meets eBay’s Certified Refurbished standards: professionally inspected, repaired, and tested to match new performance. Cosmetically "like new" (minimal to no wear) with thorough sanitization. All genuine components (TPA3255 chip, NE5532 op-amps) are verified functional. Backed by eBay’s 1-Year Warranty and 30-day money-back guarantee with free return shipping—risk-free for US buyers.
Scene & Atmosphere
More than an amplifier, it’s a cornerstone of refined soundscapes that align with your identity. In the living room, pair with passive speakers and a subwoofer for cinematic home theater—dynamic, low-distortion sound turns movie nights into immersive experiences. For music lovers, it reveals subtle details in live recordings or classical pieces, turning casual listens into passionate moments. On your desktop, its compact size adds HiFi elegance, with swappable op-amps to…
Description written by a seller of this product on eBay. Store, shipping, payment and contact text has been removed. Check each offer for that seller's own terms.
Compare offers
1 listing from 1 seller. Prices update periodically. Only one listing of this exact product was found; more sellers appear here as they are discovered.
- Lowest price
- $74.99
- Offers
- 1from 1 seller
| Seller | Condition | Ships from | Price | Shipping | Delivery & returns | Total | |
|---|---|---|---|---|---|---|---|
fosiaudio-official-store via eBay 99.6% positive · 6,042 ratings Highly rated seller | Open Box | United States | $74.99Lowest price | Free | Est. Oct 24 – Oct 30 | $74.99 | View Deal |
Seller ratings are the feedback eBay reports for each seller. "Highly rated" means at least 98% positive from at least 100 ratings. Total = price + shipping, shown only when the listing states its shipping cost.
Price history
Lowest price available each day, tracked since Oct 7, 2026 (22 days).
- Current lowest
- $74.99
- Previous price
- No change yet
- Lowest recorded
- $74.99
- Highest recorded
- $74.99
- Trend
- → Stable
- since Oct 7
The lowest price for all conditions has not changed in this period, so there is no trend to chart yet.
History is built only from prices this site observed, starting the day tracking began; nothing is estimated or back-filled. Each point is the lowest price among the offers available that day. Shipping, duties and taxes are not included.
