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. For adding a bass amp for woofer/subwoofer. Adjustable gain output. Provides RCA output and a power wire for the remote amplifier turn on connection. Connection is done at back of radio. Compatibility Notes: Only works with factory non-amplified systems (no JBL, Bose, etc.). No factory external amp vehicles only. Works with the following vehicles: No external factory amp: Made for Nissan: 2020 370Z, 2019-2020 Altima, 2019-2021 Frontier , 2020-2021 Kicks, 2020 Maxima, 2020-2021 NV, 2019-2021 NV200, 2017-2020 Pathfinder, 2019-2020 Rogue, 2019-2021 Sentra, 2020-2021 Titan, 2020-2021 Titan XD, 2019-2022 Versa