This add a subwoofer amplifier wire harness Only works with factory non-amplified systems. Not compatible with factory amplified stereo systems like JBL, Bose, etc. NuIth supplies RCA 2-channel line output converter to add an audio signal to an external amplifier. Easy to install. Factory radio add a amp amplifier sub interface without cutting any OEM wire harness required. Add amplifier adapter crv provides 70-1729 stereo radio harness to connect car radio stereo. Line out converter for honda pilot turn on connection. Fully adjustable gain control. The accord radio amp converter for Honda is used to add amplifier or subwoofer for factory OEM radio system to upgrade the stock audio on your vehicle. Amplifier subwoofer interface for honda accord help your an Amp or Sub system much faster and eliminate radio noise. The civic add an amp adapter replacement for Honda Accord 2008-2017, Honda Civic 2012-2016, Honda CR-V 2010-2016, Honda CRZ 2011-2016, Honda Fit 2009-2017, Honda HR-V 2016-2017, Honda Insight 2010-2015, Honda Odyssey 2011-2017, Honda Pilot 2012-2016, Honda Ridgeline 2009-2014. Compatible with Acura TL 2009-2014, Acura TSX 2009-2014.