blackh8552 Posted October 27, 2008 Report Share Posted October 27, 2008 I have a 2002 infiniti qx4 with bose system. I read online that to install a f90bt or most any aftermarket headunit you need a nissan/infiniti high to low converter with adjustable gain control for a 02 qx4 with bose system. My friend owns the car stereo shop who got me the radio and who is doing the install and says you do not need this. I was wondering anyone with a 02 pathfinder or 02 qx4 with bose system do you need a high to low converter to integrade the bose amps or not? Thanks for your help in advance. Quote Link to post Share on other sites
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