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Velleman K4401 Sound Generator Kit

Velleman K4401: Sound Generator Kit

Velleman K4401

Velleman K4401 Sound Generator Kit (Electronic Project Kit -Soldering Required)

Add cool sound effects to your projects with the Velleman K4401 Sound Generator kit. Each of the 10 on board push buttons generate a different effect. You can connect directly to a speaker or use the line output to connect to an amplifier or mixing panel. Use the potentiometer to adjust the sound speed.

The 10 different sound effects you can generate with the K4401 are: USA and European siren, phasor gun, machine gun, race car with motor howl, screeching car tires, explosion, mortar fire followed by an explosion, wild charge music tune and a snake charmers music tune.


  • Supply voltage: 8 - 10V DC / 100mA or 9V battery (not included)
  • Line output: 1Vrms
  • Speaker output: 1W
  • PCB dimensions: 3" x 3"

Additional Information

Difficulty Level 2


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

Assembly instructions
Written multilingual manual explaining how to build the kit

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.

Connection diagram of the sound generator

 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