HPVM
High Precision Voltmeter
Quick Install Guide
Watch these videos to get your HPVM up and running.
Product Overview
The HPVM and HPVM Pro are high-precision automotive voltmeters designed for car audio enthusiasts who demand accurate, real-time voltage monitoring.
Wiring and Installation
Connecting the HPVM or HPVM Pro to your vehicle is straightforward.
Bluetooth Pairing
The HPVM and HPVM Pro connect to your smartphone or tablet via Bluetooth using the LF Audio AuralSync app, available on both iOS and Android.
Display Customization and App Settings
One of the most distinctive features of the HPVM and HPVM Pro is the depth of display customization available through the LF Audio AuralSync app.
Android Home Screen Widgets
The LF Audio AuralSync app for Android supports home screen widgets that display live voltage readings from your HPVM or HPVM Pro without needing to open the app.
Build Quality and Durability
The HPVM and HPVM Pro are engineered from the ground up for the demanding environment of a high-output car audio system.
Calibration and Voltage Drift
Every HPVM and HPVM Pro is factory-calibrated using a professional bench power supply before it ships.
Firmware Updates
LF Audio regularly releases firmware updates for the HPVM and HPVM Pro that add new features, improve performance, and refine calibration.
Low-Power Battery Monitoring Mode
When low-power mode is enabled, the HPVM and HPVM Pro automatically detect when your vehicle has been shut off and put the display to sleep, while continuing to monitor your battery voltage in the background.
4-Channel Lithium Cell Monitoring (HPVM Pro)
The HPVM Pro has four independent voltage inputs.