Factory Radio Add A Subwoofer Amplifier AMP Plug & Play Wire Harness Interface Cable
Want to add a subwoofer to your original stereo?
Don’t want or know how to cut into your wiring?
Take the wiring guess work out of the installation with this plug and play wire harness! Installation is as easy as 1, 2, 3!
Remove your OEM factory radio
Unplug the OEM factory wiring and plug in this wire harness
Reinstall your OEM factory radio
What is it?
This wire harness provides a connection for one set of RCA cables to provide an audio signal to an external amplifier, as well as an add-a-circuit with remote wire for the remote amplifier turn on wire. This wire, along with a set of RCA cables, is run to your aftermarket amplifier. All that’s left for you to do is connect the main power wire from your battery and ground. (Not included)
What you will receive
One (1) plug and play wire harness
Alternate Options:
Need additional parts for your installation? Check out our other listings where RCA cables, bass knobs, and amps kits are included!
Compatibility Notes
Audio volume to the amplifier can be adjusted by the dials on the harness. For easier access we recommend using an external volume knob.(Not included but we can provide one)
A variety of wire colors may be used for the remote wire coming off the harness. Regardless of color, rest assured it is for the remote turn on of an amplifier.
Compatible with these models
MAKE MODEL TRIM / QUALIFIER NAV From To
Hyundai Accent w/ AA or CP 2018 2022
Hyundai Accent w/o AA or CP 2018 2022
Hyundai Elantra w/ AA or CP N 2019 2020
Hyundai Elantra w/o AA or CP N 2019 2020
Hyundai Elantra w/ AA or CP N 2017 2018
Hyundai Elantra GT 2018 2020
Hyundai Ioniq N 2018 2019
Hyundai Kona 2018 2020
Hyundai Santa Fe 2019 2020
Hyundai Santa Fe N 2017 2018
Hyundai Santa Fe Sport w/ AA or CP N 2017 2018
Hyundai Santa Fe XL N 2019 2019
Hyundai Sonata N 2018 2019
Hyundai Sonata N 2017 2017
Hyundai Sonata Hybrid N 2018 2018
Hyundai Tucson 2019 2020
Hyundai Veloster 2019 2020
Hyundai Venue 2020 2021
Kia Cadenza N 2017 2019
Kia Forte 2019 2023
Kia Forte, Forte 5 w/ 7-inch touchscreen N 2017 2018
Kia Niro N 2017 2019
Kia Optima w/ automatic climate control N 2019 2020
Kia Optima w/ manual climate control N 2019 2020
Kia Optima w/ 7-inch touchscreen N 2017 2018
Kia Rio, Rio 5 w/ 7-inch touchscreen 2018 2023
Kia Rio, Rio 5 w/o 7-inch touchscreen 2018 2019
Kia Sedona w/ AA or CP N 2017 2021
Kia Sedona w/o AA or CP N 2017 2018
Kia Sorento Y 2019 2020
Kia Sorento N 2019 2020
Kia Soul Y 2017 2019
Kia Soul w/ AA or CP N 2017 2019
Kia Soul w/o AA or CP N 2017 2019
Kia Sportage w/ auto climate control without factory amp N 2017 2019
Kia Stinger N 2018 2020
Converter adjustment instructions:
After completing all of the necessary connections, turn the adjustment pots all of the way down by rotating them completely counter-clockwise.
Turn the stereo system on and adjust the main volume control on the stereo to approximately 3/4 maximum volume.
Select one of the adjustment pots and turn it slowly clockwise until you notice audio distortion and then stop.
Turn the remaining pot to the same position as the previously adjusted pot.