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Stereo vu-meter 2 x 10 leds

Velleman K4305: Stereo VU-Meter 2 x 10 LEDs Kit

Velleman K4305

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The Velleman K4305 Stereo VU-Meter 2 x 10 LEDs Kit (Electronic Project Kit - Soldering Required)

For instant LED visualization of audio signal levels add the Velleman K4305 Stereo VU-Meter kit to your audio entertainment system. This two board DIY kit is easy to hook up. Use the low input for a line level signal source, or, use the high input for direct connection to a speaker output. You can choose either a dot or bar display mode for the LED indication. The provided front panel allows for horizontal or vertical mounting. (This kit is not suited for a high power car stereo system)



  • Range: -20dB to +3dB
  • Power supply: 10 - 15V DC / 250mA
  • Input sensitivity:
    • Low input: 150mV to 6Vrms (47K)
    • High input: 1.5V to 60Vrms (470K)
  • Dimensions: 1.5 x 2.7" (x2)

Additional Information

Difficulty Level 2
  1. Great utility review by Jonathan on 1/24/2019

    Very useful module for hi-fi DIYers. I appreciate the versatility designed into the circuit that allows one to drive the meters from line-level or speaker-level sources. The inclusion of the display mask makes the project look more polished and professional, and saves a lot of work.

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Parts list
English assembly instructions through illustrations, pictures, etc.

Info Sheets

Resistor colour code

Overview of Velleman modules that are equal to D.I.Y Kits
This sheet is useful when you want to know which modules you could find in the do-it-yourself range of Velleman Kits and minikits.

Frequently Asked Questions

Q. Do i need a power supply if i want to connect it to my power amp output? Thanks


Yes, a power supply is required if you'd like to connect the K4305 to a power amp output. 

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 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product