Use this adapter to make your installation of a 4 channel 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 2 pair stereo RCA output. Adjustable 4 channel gain output. Retains fader and balance. Connection is done at back of radio. Bare speaker wires on this adapter to connect factory speakers to the new amp. Ignition wire connection for amp turn on wire connection. VERY IMPORTANT----PLEASE READ BEFORE PURCHASE---- Not compatible with factory amplified stereo systems. Only works with factory non-amplified systems (no Bose, Infinity, JBL/Synthesis, etc.) Connecting this adapter to the factory wiring will disconnect the vehicle speakers from the radio- required adding amp for speakers to work. Quick disconnect is to connect speaker wires to run to the new amp- only the speaker wires are connected to the factory speakers- all other wires aren't used. Easy to put back to stock. Just remove this adapter and it goes back to stock system. Adapter shrink tubed for durability. 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 Use this adapter to make your installation of a 4 channel amplifier to the factory system faster with a cleaner install. Adjustable 4 channel gain output. Retains fader and balance. Connection is done at back of radio. Quick disconnect bare wire connector to connect factory speakers to the new amp- won't require looking for or cutting of factory speaker wires. The speaker wire is already cut on this adapter so you can connect speaker wires to it to run to the new amp- once this adapter is connected the factory speakers will need to be connected to an aftermarket amplifier for the system to work. Easy to put back to stock. Compatibility Notes: Not compatible with factory amplified stereo systems. Only works with factory non-amplified systems (No Bose, Monsoon, etc.). Quick disconnect is to connect speaker wires to run to the new amp- only the speaker wires are connected to the factory speakers- all other wires aren't used. Ignition wire connection for amp turn on wire. Connecting this adapter to the factory wiring will disconnect the vehicle speakers from the radio- required adding amp for speakers to work. 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