So i recently purchased a used highlander and was wondering if there was a good audio setup that would allow for maximum bass with minimal affect to my work. I do estimates for a plumbing company and drive a lot so any suggestions are welcomed.

 

well alot of it matters on what you want to spend, i am no expert and am admitting that now however if i were u, i would buy a really nice deck (i would go with either pioneer or sony) run that through a 4 channel amp, put 2 12s in the back, and use the other 2 channels to amplify you front door speakers, which should prolly be aftermarket, and if u want best sound, id put three way speakers, but i mean thats expensive and i dont know what your budget is, best place for sub would most likely be right behind the rear seats, make sure to hide the wiring nicely i hope this helps

 

This is the setup I have in my 87' extra cab

Kenwood deck, kenwood 4" two channel under the dash, 2 sparkomatic... Boxes?, and 2 kicker 8" subs, the subs are being powered by a 250w amp, and the rest is being powers by the deck, which is pushing 55w per speaker.