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Velleman 7W Mono Amplifier KitVelleman Kits

7W Mono Amplifier Kit

Specification Features:

  • Music power output: 7W / 4ohm
  • RMS output: 3.5W / 4ohm or 2W / 8ohm
  • Total harmonic distortion: 0.05% (1W / 1kHz)
  • Frequency response: 20Hz to 20kHz (-3dB)
  • Signal/noise ratio: 86dB (A weighted)
  • Input sensitivity: 40mV / 150Kohm
  • Overload and short-circuit protected
  • Supply voltage: 15VDC (8 to 18VDC possible) / 0.5A

Read the fully Illustrated Assembly Manual for K4001

PDF Download





Dimensions (PCB)

55 x 35mm



This small amplifier is constructed around the TDA2003 IC, capable of delivering 4Wrms at 4 ohms. The IC is fully protected against overheating and short circuits. A conventional direct current is sufficient as power supply. For suitable loudspeakers see our range in the sounder section of this website.

This kit is also available as a fully assembled module VM114

Order Code Each 
K4001Velleman 7W Mono Amplifier Kit5.95 


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