Fosi Audio BL20A Bluetooth USB Power Amplifier
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Fosi Audio BL20A Bluetooth USB Power Amplifier
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
We offer free worldwide shipping, except for certain regions such as Ukraine and Russia, where our services are currently unavailable.
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Customer Support
WhatsApp: +8613716612254
support@fosiaudio.com
Mon-Fri: 3:00 AM - 3:00 PM PST -
FAQ’s
If you have any questions, please refer here: FAQs
80W Toroidal Transformer
Custom pure copper toroidal transformer with up to 100W peak output ensures stable power delivery, even with three devices connected.
Nippon Chemi-Con Capacitors
Premium capacitors help minimize ripple and noise, with ripple as low as 0.1mV.
High-Reliability Rectifier
A GBU806 rectifier bridge rated at 600V/8A ensures fast, stable AC-to-DC power conversion.
4-Core Regulation
Powered by three LM1085IT and one ST78M05 linear regulators from Texas Instruments.
Product details
Description
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Fosi Audio BL20A is a powerful Bluetooth 5.0 HiFi stereo amplifier with AUX pre-output, which can be used as a pre-amplifier. Design Treble & Bass control and remote control to meet your more needs.
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The BL20A power amplifier supports AUX/U-Disk/Bluetooth input, suitable for most home passive speakers. Using two low-distortion TPA3116 high-performance chips to display ultra-high-definition sound quality.
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Let's join the audiophile’s music journey with Fosi Audio BL20A Amp!
Specifications
| Specifications | Details |
|---|---|
| Model | BL20A |
| Chip Set | TPA3116*2 |
| Output Power | 100W x 2 |
| Terminating Impedance | 2-8Ω |
| Input Mode | Bluetooth, AUX, U-disk |
| Output Mode | Speaker’s Output + 3.5MM AUX Pre-out |
| Frequency Range | 15Hz-20kHz (±1 dB) |
| THD | ≤0.001% |
| SNR | ≥92dB |
| Input Sensitivity | ≤500mV |
| Support Format | MP3/WMA/APE/ FLAC/WAV |
| U-Disk Capacity | MAX 32GB |
| Bluetooth Transmission Distance | Up to 164ft/50m |
| Device Dimension | 3.54×4.72×1.18 inches |
| Product Weight | 0.71lb/323g |
| DC Input Range | 12-24V |
| Power Supply | 24V 4.5A |
What‘s in the box？
| Item | Quantity |
|---|---|
| BL20A Bluetooth Amplifier | x 1 |
| Remote Control | x 1 |
| 24V 4.5A Power Adapter | x 1 |
| AC Cord | x 1 |
| User’s Manual | x 1 |
We will send the correct plug type according to destination Country
You can also check our BL20C 160W x2 Bluetooth 2.1 CH Amplifier.
Specifications
Power Input
AC: 115V / 230V
Note:
115V setting supports 100–120V input
230V setting supports 220–240V input
Power Output
DC 1: 12V / 15V (Rated Power: 20W)
DC 2: 12V / 5V (Rated Power: 15W)
USB: 5V / 1A (Rated Power: 5W)
Operating Temperature
-20 ~ 40°C (-4°F ~ 104°F)
Temperature Rise Test
Temperature rise of 25°C (77°F) at full load
What‘s in the box？
- Fosi Audio PSU20*1
- 1.2m (47.2 in) DC-DC Power Cable*1
- 0.3m (11.8 in) DC-DC Power Cable*1
- User Manual*1
- AC Power Cord*1