Product details

  • Adopt TI TPA3116D2 chip to get clear and clarity sound, no pop, no audible noise, dead silent when nothing is playing through it.

  • 50W X 2(4 ohms, 20Hz - 20kHz, 0.04% THD), best for bookshelf/ computer/ desktop speakers, can use Phone/ MP3 player/ DC/ TV/ Echo Dot as input.

  • Simple compact design but practical and powerful, ship with power adapter and power cord, you can use directly.

  • Home Hi-Fi integrated amplifier, Exclusively designed for the customers who pursue HiFi sound.

  • What You Get: V1.0B amplifier x1, power adapter x1, AC cord x1, user manual x1, 18-Month global warranty, and 24-Hour quick customer service.

Fosi Audio V1.0B Power Amplifier 2 Channel Stereo Audio Mini Hi-Fi Class D Integrated TPA3116 Amp for Home Passive Speakers 50W x 2
Fosi Audio V1.0B Power Amplifier 2 Channel Stereo Audio Mini Hi-Fi Class D Integrated TPA3116 Amp



Specifications

Specifications Details
Model V1.0B
Chip Set TPA3116
Output Power 50W x2@4Ω
Terminating Impedance 2Ω-8Ω
Input Mode RCA
Output Mode Passive Speakers
Frequency Range 20Hz - 20kHz (±1dB)
THD ≤ 0.04%
SNR ≥ 98dB
Input Sensitivity ≤ 280mV
Device Dimension 4.13 x 3.54 x 1.38 inches
DC Input Range 12-24V
Power Supply 19V 4.74A


What‘s in the box?

Item Quantity
Fosi Audio V1.0B Amplifier x 1
19V 4.74A Power Adapter x 1
User’s Manual x 1


 

Video


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 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.

Didn’t find your answer?

Don't hestitate to contact us

Customers praised this mini stereo amplifier for "excellent" sound quality with improved dynamics and bass. Shoppers highlighted its compact size, reliability, and accuracy. Reviews noted it works well for outdoor speakers and 5.1 systems, with customers considering purchasing additional units.

  • 5 stars: 8 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
D
Dawn (United States)

Sound quality is excellent!

D
Dawn (United States)

Sound quality is excellent!

S
Steve (United States)
Great little amp!

This amp replaced an older Topping Class D powering my outdoor speakers. The dynamics have improved and the bass is much better as well. And the size is great as well! A very nice and worthwhile improvement all around!

S
Steve (United States)
Great little amp!

This amp replaced an older Topping Class D powering my outdoor speakers. The dynamics have improved and the bass is much better as well. And the size is great as well! A very nice and worthwhile improvement all around!

J
James (United States)
Perfect for my use case

Reliable,accurate,small footprint. I may buy others to run more passive speakers. On my 5.1 system.

J
James (United States)
Perfect for my use case

Reliable,accurate,small footprint. I may buy others to run more passive speakers. On my 5.1 system.

T
Tommaso
works great

perfect for my setup

T
Tommaso
works great

perfect for my setup

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