Rockford Fosgate - RFHLC4 - 4-Channel High-to-Low Converter

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4-Channel High-to-Low Converter

Use the RF-HLC4 high-to-low signal converter to connect 4-channel amplifiers to radios without RCA outputs.

  • 4-Channel
  • RCA Level Output
  • Speaker Level Input


The RF-HLC4 is a 4-channel high-level to low-level signal converter designed for factory or aftermarket radios that do not have dedicated low-level RCA outputs.  The adapter converts high-level signal from the radio's speaker line and transforms it into a safer low-level audio signal.  This allows you to add a 4-channel amplifier to your system for higher power output and better sound quality.

Configuration: Line Output Converter
Input Impedance: n/a
Output Impedance: n/a
Signal Input: Front Left & Right +/- leads 
Rear Left & Right +/- leads 
Front & Rear ground leads
Signal Output: Front Left & Right RCA jacks 
Rear Left & Right RCA jacks
Input Voltage: Up to 10.5V (high-level)
Output Voltage: Up to 3V (low-level)
Mounting: Behind dash
Dimensions: 1" x 3" x 3-1/2" 
(2.54cm x 7.62cm x 8.89cm)
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