Interesting info regarding the Phatbox. I went to the site and I didn't see that it is specifically compatible with the 2004 4runner, and more specifically, the headunit that's with the 10-speaker system. Did you get further confirmation from the company that it is indeed compatible?
Something...
I'm the proud owner of a new '04 SR5 with the single-disc JBL Synthesis 10 speaker upgrade - I didn't really want the upgraded stereo because I was looking forward to shopping for some aftermarket components, but everything else about the vehicle was what I wanted. After searching through this...
