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Knock Monitor Pro V3

Advanced Knock Detection

Whether you are a hobbyist or a professional tuner, this system is the easiest to use and offers the most features for the price.  Developed by tuners for tuners, this system displays real-time RPM vs knock with an overlay of Boost and AFR if you desire. You may also listen to the engine yourself, giving you the control to trust your instincts. 

  • PC software + hardware integration
  • 3.3V analog output
  • Road tune friendly 
  • Overlays engine RPM and Knock real-time
  • Ability to review and replay logs 
  • Listen raw knock sounds
  • Visual knock alert
  • Audible alert (optional) when knock occurs.
  • Overlay external 5V sensors (EGT, AFR, MAP)
  • Quick installation and configuration time
  • Lifetime software upgrade
  • 1 year replacement warranty
  • International shipping


Essential: knock and RPM only, no carrying case/pouch, no extra input

Standard: AFR/MAP input and 3.3V output, Knock, RPM, carrying pouch,

Elite:  Standard, with wireless headphones,

Elite X: Dual Channel Elite without 5V sensor abilities.

Note: There is no package with both dual channel with 5V sensor logging.


Express shipping globally*


[Except for Russia and Greece]


*Greek customers email before buying! 

More info:


contact: admin@tunernerd.com 


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Knock Monitor Pro V3

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    Though we are currently 1 week behind in stock we use express shipping internationally.

    We will get right at it and have your items shipped in the shortest time possible. Items usually get delivered between 5 and 7 days from postage.

    PLEASE DOUBLE CHECK Your delivery address!

    --Customs and Duty--

    If you should refuse to pay customs or importation taxes (when applicable) the item will be returned and a refund less of 20% and shipping cost will be issued. This is the restocking charge.

    Downloads are available at http://tunernerd.com/downloads

    User manual


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