The VM-1 Voltage Gauge checks 60 times per second to immediately alert you to dangerous low or high voltage that can threaten your car audio gear. The VM-1 monitors the DC (Direct Current) voltage from your battery, or directly from your amplifier. The VM-1 uses a 12 bit analog-to-digital converter for near real-time precision readings.
When voltage dips too low, you’ll see a ‘Lo’ voltage warning flash. This is especially important for stock charging systems powering amplifiers requiring more than 1000 watts RMS. During voltage spikes, a “Hi” voltage warning will alert you when voltage reaches the upper limit.
The SQ VM-1 displays your voltage on a green back lit screen. The included adhesive tab also serves as a template for screw placement. Check our installation instructions for more info on the VM-1 Voltage Gauge.
FAST REFRESH 60 times per second using 12-bit analog to digital conversion (ADC)HI/LO WARNINGS: "LO" voltage warning flash at 10.0V"HI" voltage warning at 17.5V COMPACT DESIGN makes it easy to mount in clearly visible mounting location MOUNTING OPTIONS including adhesive tab, screw on, or flush mount (requires cutout in a vehicle panel) BACK-LIT DISPLAY lets you clearly read your voltage regardless of the time of day
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