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Aug 23, 2025 8:29 PM
robert |
updated 2 days ago
Fosi Audio BL20A Bluetooth USB Power Amplifier
Rated 4.6 out of 5 by over 12 reviews
- 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.
- 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.
- Let's join the audiophile’s music journey with Fosi Audio BL20A Amp!
| 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 |
| 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 |
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