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Small black box with wiring harness and separate gain controller knob

Axxess Technologies

Axxess Technologies AXLOC-HYKIA3 2 Channel Line Output Converter Hyundai Kia 2016-Up

SKU CH-3FBF-AGXMZ

Converts factory speaker signals into two low-level RCA outputs with adjustable gain and signal-sensing remote turn-on for adding an amplifier to select Hyundai and Kia models from 2016 onward

  • TypeLine Output Converter
  • Two-channel low-level output from factory audio
  • 55-watts per channel powers amplifier or subwoofer
  • Adjustable gain controller sets precise output level
  • 12-volt 500-mA remote wire activates with signal sense
  • Fits select Hyundai and Kia models from 2016-Up

Vehicle-specific line output converter

The Axxess AXLOC-HYKIA3 is a two-channel line output converter built for select Hyundai and Kia models from 2016 onward. It extracts a low-level audio signal from the factory system so an aftermarket amplifier can be added for speakers or a subwoofer. A gain controller and a 12 V 500 mA signal-sense remote wire are included for level adjustment and amplifier turn-on.

Upgrading from factory speaker-level outputs

This unit replaces the need to tap speaker wires directly when adding an amplifier, providing a cleaner RCA connection and 55 watts per channel handling. The jump is worth it when the factory head unit lacks dedicated pre-amp outputs and you want a reliable, vehicle-specific harness that preserves the original wiring. Installers should note that a single-pole double-throw relay is recommended when powering multiple amplifiers.

Two-channel capacity and headroom

The converter comfortably handles up to 55 watts per channel from the factory system, which covers most stock amplified and non-amplified setups in the listed vehicles. It runs out when the source exceeds that power level or when more than two independent audio zones are required, as the device only provides a stereo pair of RCA outputs. The included auxiliary cable offers an additional input option for portable devices.

Highlights

  • Two-channel low-level output from factory audio
  • 55-watts per channel powers amplifier or subwoofer
  • Adjustable gain controller sets precise output level
  • 12-volt 500-mA remote wire activates with signal sense
  • Fits select Hyundai and Kia models from 2016-Up

Specifications

TypeLine Output Converter

Questions about this item

What Hyundai and Kia models from 2016 onward does this converter fit?

It fits Hyundai Accent 2018-Up, Elantra 2017-Up, Elantra GT 2018-Up, IONIQ 2018-Up, Kona 2018-Up, Santa Fe 2019-Up, Santa Fe XL 2019, Sonata 2018-Up, Tucson 2019-Up, Veloster 2019-Up and Kia Cadenza 2017-Up, Forte 2017-Up, Forte 5 2017-Up, K5 2021-Up, Optima 2019-2020, Sedona 2017-Up, Sorento 2017-Up, Stinger 2018-Up.

How is the 12 V 500 mA remote wire activated and what wiring step is often missed?

The remote wire turns on through signal-sense when the factory audio plays, so no separate switched 12 V lead is required; the step often missed is adding an SPDT relay when powering more than one amplifier from the same trigger.

What maintenance does the included Gain Controller need over time?

The Gain Controller is a passive rotary potentiometer; keep the knob and shaft free of dust and moisture, and re-check the output level setting if the amplifier gain structure is changed.

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