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Guitar headphone and preamplifier

Velleman K4102: Guitar Headphone and Preamplifier Kit

Velleman K4102

Velleman K4102: Guitar Headphone and Preamplifier Kit (Electronic Project Kit -Soldering Required)

The Velleman K4102 allows you to practice playing your electric guitar without disturbing others. This DIY electronic kit has been designed just for this purpose, it provides a headphone output and features a tone adjustment allowing you to create your own personal sound.


  • Sound adjustment
  • Adjustable input sensitivity
  • Low noise
  • Headphones output: max. 2 x 50mW / 32ohm
  • Housing included
  • Power supply: 9V battery (not included)
  • Dimensions: 2.8 x 1.2 x 4.1"

Additional Information

Difficulty Level 1


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.

 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