Built on over 14 years of knock detection expertise, the PLEX KNOCK MONITOR® V3 is a professional knock detection and analysis system made for data-driven tuners, engine calibrators, and motorsport engineers who demand accuracy — from street builds to full race programmes.

At its core is a proprietary detection algorithm and hi-fidelity audio filtering that isolates knock from mechanical noise with a precision conventional methods can't match, refined over twelve years of development. Paired with advanced PC-based analysis tools, it takes you from signal capture to cross-cylinder analysis in one compact, field-proven system — and works across gasoline, diesel, and alternative-fuel engines.

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