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The Ultimate Speaker Protection and Power Control

Protect your speakers and get full control of your power supply with these great circuits from Neurochrome. 

The Guardian-86 Speaker Protector

This high-end protection circuit is designed to protect speakers against:

  • Annoying clicks and pops upon start up
  • Thumps on power down
  • Sharp voltage transients on power up or down
  • Excessive DC voltage on the amplifier output

The Guardian-86 speaker protectors work on any voltage in the range of +12 V to +90 so they well with any amplifier powered by ±12 – ±90 V. They're also suitable for use both with single-ended output and bridged/BTL output amplifiers. 

Learn more about the Guardian-86 here: »Guardian-86.

The Intelligent Soft Start Power Control

Introducing the perfect partner for the Power-686 and Power-86 power supply boards. The ISS has a 4-pin terminal block where the transformer primary is connected and on-board mains voltage selection for transformers with an international primary.

  • Safe, low voltage connections are use for power control
  • Features 12 V trigger input for compatibility with other audio products
  • Equally well suited for use with other power supplies, including switching power supplies
  • Suitable for use with power transformers up to 2 kVA

Get all the necessary connections for mains power switching and mains voltage selection on one circuit board.

Explore the features of the ISS here: »Intelligent Soft Start.

Original price $189 - Original price $189
Original price
$189
$189 - $189
Current price $189

Intelligent Soft Start

Soft start with option for remote control
In stock

The ISS is designed as a companion board to the Power-686 and Power-86 power supply boards. It is equally well suited for use with other power supp...

View full details
Original price $189 - Original price $189
Original price
$189
$189 - $189
Current price $189
Original price $99 - Original price $99
Original price
$99
$99 - $99
Current price $99

Guardian-86

Mono Speaker Protector
In stock

The Guardian-86 is a high-end protection circuit designed to protect speakers against two common ways that power amplifiers can misbehave: Sharp v...

View full details
Original price $99 - Original price $99
Original price
$99
$99 - $99
Current price $99