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Siren kit

Velleman K2604: Siren Kit

Velleman K2604

The Velleman K2604 Siren Electronic Project Kit

The circuitry in this Velleman K2604 Siren kit lets you create and imitate all kinds of siren sounds by adjusting the three potentiometers. Connect it to your loudspeaker for even more powerful siren sounds.



  • Power supply: 8 - 14V DC / 1A (not included)

  • Modulation speed: 0.5 - 5s

  • Frequency: 300 - 6000Hz

  • Output power: +/- 2W max.

  • Connects to a 4 – 16 ohm loudspeaker (not included)

  • Dimensions: 3.14 x 2.16 x 0.6"

Additional Information

Difficulty Level 1


Assembly instructions
Written multilingual manual explaining how to build the kit

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.

 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