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2-Channel Loudspeaker Protection Circuit Kit
Velleman Part Number: K4700

This easy to build kit protects your expensive home-theater stereo speakers from switch-on popping/pulses/clicks when your amp turns on and direct-current on your speaker wires.

It is powered directly from 110VAC and has LED indicators for the state of the circuit. It is suitable for amplifiers with either a symmetrical or asymmetrical power supply.

  • 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)
  • Power supply voltage: 110VAC
  • PCB dimensions: 2.2 x 4.9"

QTY: 1 x 2-Channel Loudspeaker Protection Circuit Kit
Product condition: New