Use this adapter to make your installation of an amplifier to the factory system faster with a cleaner install. Use this plug and play adapter so you don't have to cut or splice into the factory wiring. Provides rca output and a power wire for the remote amplifier turn on connection. Adjustable gain output. Not compatible with factory amplified stereo systems. Only works with factory non-amplified systems (no JBL/Synthesis, Bose, etc.). Most if not all vehicles with NAV might have premium system which this adapter might not work with. Connection is done at back of radio. Compatible vehicles: Hyundai: 2018-2019 Accent, 2019-2020 Elantra, 2017-2018 Elantra (7 inch touchscreen vehicles only, No NAV), 2018 Elantra GT, 2018-2019 Ioniq, 2018-2019 Kona, 2017-2019 Santa Fe, 2017-2018 Santa Fe Sport (7 inch touchscreen vehicles only, No NAV), 2019 Santa Fe XL, 2017-2018 Sonata, 2018 Sonata Hybrid, 2019 Tucson, 2019 Veloster; Kia: 2017-2019 Cadenza, 2019 Forte, 2017-2018 Forte (7 inch touchscreen vehicles only, No NAV), 2017-2018 Niro, 2019 Optima, 2017-2018 Optima (7 inch touchscreen vehicles only, No NAV), 2018-2019 Rio, 2017-2018 Sedona, 2017-2019 Sorento (7 inch touchscreen vehicles only, No NAV), 2017-2019 Soul, Made for 2020 Sportage (w/auto climate vehicles only), Made for 2017-2019 Sportage (7 inch touchscreen vehicles only, No NAV), 2018 Stinger