Fosi Audio BL20A Bluetooth USB Power Amplifier

Fosi Audio

Fosi Audio BL20A Bluetooth USB Power Amplifier

Reviewed byUpdated 4 Jun 2026

Best price available

£69.99

From £69.99 across 1 merchant

Key features

  • 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!

Product Overview

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! 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 BL20A User Manual You can also check our BL20C 160W x2 Bluetooth 2.1 CH Amplifier.

Fosi Audio BL20A Bluetooth USB Power Amplifier — detail 1

Pros & Cons

Pros

  • In stock and ready to ship
  • The BL20A power amplifier supports AUX/U-Disk/Bluetooth input
  • Using two low-distortion TPA3116 high-performance chips to display ultra-high-definition sound quality

Cons

  • Currently sold by only one merchant — limited price competition
  • No customer reviews yet
  • Price history not yet established

Price Analysis

Fair Price

The current price is around the average. It's a reasonable time to buy.

Current Best

£69.99

Average Price

£69.99

Lowest Ever

Highest Ever

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Product Details

BrandFosi Audio
MerchantFosi Audio
MPNBL20A+24V

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Frequently Asked Questions

What is the best price for Fosi Audio BL20A Bluetooth USB Power Amplifier?+
The best price for Fosi Audio BL20A Bluetooth USB Power Amplifier is currently £69.99 from Fosi Audio. We compare prices across 1 merchant to find you the lowest price.
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