Product details

 

  • Bluetooth Amplifier, 2 Channel Amplifier2.1CH Bluetooth 5.0 Stereo Amplifier. Features buttons to switch the previous/next song. The Bass & Treble buttons are easy to use to meet your different needs.

  • U-disk input for convenient and portable use. Audio Input: U-disk/ Bluetooth/ RCA. Audio Output: Powered Subwoofer + Passive Speakers. Support MP3/WMA/APE/ FLAC/WAV U-disk audio input, up to 32GB capacity.

  • Adopting classic TDA7498E chip to get clear and clarity sound without any audible noise even at high output. Advanced circuit design ensures Hi-Fi sound, compatible with iPhone/Android, iPod, iPad, PC, Laptop, TV, DVD, etc.

  • 160Watt x 2(DC19-35V, 98dB SNR, 0.05% THD), included high quality 24V/4.5A power supply enough to drive most passive speakers and powered subwoofer.

  • What you Get: BL20C Bluetooth amplifier x1, User Manual x1, Power Adapter x1(Optional 24V or 32V), AC Cord x1, an 18-month worry-free warranty, and friendly customer service.

Fosi Audio BL20C Bluetooth Stereo Audio Receiver Amplifier 2.1 Mini HiFi Class D Amp U-Disk Player For Passive Speaker 160W x2
Fosi Audio BL20C Bluetooth Stereo Audio Receiver Amplifier 2.1 Mini HiFi Class D Amp U-Disk Player



Specifications

Specifications Details
Model BL20C
Input mode U-disk/Bluetooth/RCA
Output mode Powered subwoofer+ Passive Speakers
Input priority U-disk>Bluetooth = RCA
SNR ≥98dB
THD ≤0.05%
Working voltage 19-35V
U-disk USB 2.0, compatible with USB 3.0
U-disk capacity Max 32GB, no more than 100MB per file
Support format MP3/WMA/APE/ FLAC/WAV
Max output power 160 Watt×2 + Any powered subwoofer


What‘s in the box?

Item Quantity
Fosi Audio BL20C Amplifier x 1
24V 4.5A Power Supply x 1
User’s Manual x 1






 

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FAQs

Please read our FAQs page to find out more.

How to: Choose the right banana plug?
  • Closed Screw Type. All Fosi amplifiers use standard-sized speaker terminals (4mm pins).
  • Easy to wire up and solidly connect to amplifier and passive speaker.
  • If they do not fit, use a little force to tighten the plugs.
  • Fosi Audio Banana Plugs (Copper, Silver/Gold Plated): http://bit.ly/40Djq0U, https://bit.ly/3MkPL8t
  • Please watch tutorial videos: https://youtu.be/6pYhoqDlvNw / https://youtu.be/RGvBgGAwS9k
How to Diagnose Power Supply Failure?
  • The following situations may cause this issue
  • Case 1: The LED on the power supply does not light up; Case 2: Amp/Preamp does not turn on; Case 3: When plugged into the Amp, both light on the amp & power supply start blinking; Case 4: Amp/Preamp make noise; Case 5: Sound shuts off by itself
  • Possible solution
  • Check if the power supply is illuminated when plugged into AC by itself.

    Plug power supply into a different socket.

    Test the adapter with a meter.

    Try a different power supply (within a range of DC input).

    Test the included power supply on other electrical equipment.

    Please watch the tutorial video by clicking on the link provided. https://youtu.be/yCjygS03zTE
What are the differences in power outputs using the 32V and 48V power supplies?
  • Using a more powerful power supply can help prevent distortion.
  • Enables amplifier to drive larger, more powerful, or higher-impedance speakers.
What is a GaN?
  • The GaN supply has a power output of 240W.
  • Offers overload and over-temperature protection.
  • The 48V 5A GaN power supply is also available on Amazon.

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