Product details

  • 24V 4.5A Power Adapter Description:

    AC110V-230V input; 

    DC 24V 4.5A output;

    Connector size: 5.5*2.5mm

    Power adapter for class d amplifier;

    Tips: The plug of the power adapter will match the country of your delivery address.

  • BOX X5 16V 1A Power Adapter Description:

    Input: AC 110V or 230V, 50-60Hz

    Output: AC 16V 1A (Only for BOX X5, do not use with DC-type amplifiers)

    Cable Length: 1.2 meters

    Plug Type: Matches the country of your delivery address

    Important Note: This power adapter supplies AC (alternating current) output, not DC. It is exclusively designed for BOX X5 and should never be used with other amplifiers requiring DC power to avoid damage.

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

  • 5 stars: 13 (87%)
  • 4 stars: 0 (0%)
  • 3 stars: 2 (13%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
M
MR

All good great price

M
Michael (United States)
Excellent Inexpensive Gear!!

Took a bit to get the exact power supply made by Fosi but my little amp does not shut down when I push it like it did with a generic power supply.

A
Alex (United States)

good power supply

*
*.jpg (United States)
Works as advertised

This drives my little Nobsound Q10 amplifier just fine.

r
robin (South Africa)
Power supply

I bought a pre amp from Amazon in America and it was for 110 volt only so I needed to get one for 220 and the fosi website had them. Shipping was painless. Wish I just bought there first. Amazon really should warn people that the voltage won’t work when they see it going to a different region. Usually these power supplies are 110-220 range but not these ones.

A
Anonymous (France)
Not quiet at all

The shipping was great and it works well. However this power supply make some audible noises (high frequency sound and vibrations on my desk). I can hear it by entering in the living room ...
I did not have these worries from the original one I got with the box X5.

M
Michele (Italy)
Great!!!

I love your products!!

g
gerard (Spain)
Todo perfecto

Bien empaquetado. buen estado y buena calidad y el enchufe adecuado

M
Matthew (United States)
Just got it today

Sounds great. Got it hooked up to a fosi bt20a and a pair of jvc cherry wood speakers with ceramic cones and they sound almost as good as my Klipsch speakers.

T
T.J. (United States)

Fosi Audio 24V 4.5A Power supply for TDA7498E TPA3116 TAS5613 Amplifier

D
Dmitry (United States)
Audibly noisy

Got it as a replacement for TB10A, and I can hear the power supply. Yeah it's faint, but when it's on your desk you can hear it, and it gets annoying. When it's just plugged into the wall it's a faint fast clicking sound, not too loud, but when you plug it into the amp it's a high frequency whine.

I have two other Fosi power supplies from similar amps and same specs, and they are absolutely silent, you can't hear anything, even when you put them against your ear. I also have another cheap power supply that makes the same whining sound I was going to use originally, but thought that if I got a genuine replacement from the manufacturer it would be good as new, but apparently not.

M
Mr (United Kingdom)
Fosi Audio Review

I got in touch with Fosi to explain that the power supply for my amp had failed.
``although it took over 20 days to arrive, it’s here now and it works.

A
Assen (Austria)
Recommended

As described and working great.

V
Vincent (United States)

Fosi Audio 24V 4.5A 6A 8A Power supply for TDA7498E TPA3116 TAS5613 Amplifier

W
William (United States)
Best products, prices and customer service!

I ordered a 24v 8a power supply to increase the wattage of my Fosi TP-02 mini amp. The first unit arrived with shipping damage, a cracked case, so I notified Fosi customer service. They immediately shipped out a replacement and it arrived today in perfect condition. Thank you!

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