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2-channel loudspeaker protection

2-channel loudspeaker protection

Velleman K4700U
31,60 $US

En stock

Livraison gratuite sur les commandes de plus de 75 $.
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2-channel loudspeaker protection.

This stereo speaker protection prevents switch-on clicks and dc components on the output of the amplifier connected..


  • switch-delay: ± 6 seconds
  • DC protection: +1V/-1V
  • max. input voltage: 200Vpp + DC
  • max. switching current: 10A
  • LED indication for: WAIT (switch-on delay) and ERROR (DC on speaker output)
  • supply voltage: 115V AC
  • dimensions du circuit imprimé: 2.2" x 4.9"
  • recommended housing: WCAH2851

Informations complémentaires

Difficulty Level 3
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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. My ADCOM amp is capable of 325W / channel @ 4Ω (Magnepan speakers). Any problem using this device with my amplifier?


No, as long as you stay within the K4700U's specifications. 

Q. Does the k4700u kit come with all the parts ? relays resistors etc...?

Yes, it includes the PCB and all the components to complete the circuit. The housing is not included.

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