HKS Knocking Monitor

The HKS knocking monitor, via a microphone installed in the engine bay, enables you to listen to your engine and be automatically warned should any knocking be detected.

Features

• Installs a microphone in the engine compartment
• Unit filters out frequencies besides knocking
• Automatically detects knocking and provides warning
• Enables head phones to be plugged in
• Can be tuned into via your FM radio
• Unfiltered sound can also be listened to