Mega Sound \ Products \ Car Multimedia \ Multimedia Accessories \ Alpine KPX-100B

Alpine KPX-100B

Code: KPX-100B
Availability: Available upon request


This product detects the battery voltage of a vehicle and will buffer the output voltage at 12VDC when sudden drops in the input voltage are detected. Such drops usually happen when the engine of a car is cranked up or re-started in case of cars with idle stop (start-stop) function.

The KPX-100B can buffer one CD- Tuner or Mobile Media Station or a similar product + a steering wheel remote control  interface.

The KPX-100B is equipped with a DC/DC converter which is controlled by a microprocessor which is watching the input voltage. In standby mode current will bypass the DC/DC converter. When activated by a sudden voltage drop, the DC/DC converter will kick in and stabilize the output voltage to 12 VDC

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Technical Specifications


Microprocessor controlled DC/DC Converter to buffer sudden drops in battery voltage when the car’s engine is started.


Input Voltage:

  • 6VDC – 13,8VDC

Output Voltage:

  • 12 VDC (stabilized)

Output Current:

  • Average: 7,5A (@ 8,1VDC)
  • Max: 9A (@ 8,1VDC, t < 3.000 ms)
  • Bypass: 13A (average)
  • 16A (t < 500ms)

Power Consumption:

  • Bypass: 0,3mA

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