i have a 04 lexus rx330 and when i take a road trip my speakers will get really loud and than go soft,and when i take a sharp turn it go up really loud than soft again..im thinking i have loose wiring maybe..and it sounds so horrible that i have to turn my radio off

 

i suspect i have the same problem but it happens only during sharp turns and only very occasionally. it'll be challenging trying to repeat it at the dealership so i didn't bother bringing it in.... no issues on road trips.
get someone to check out the wiring/speakers... not worthwhile to live without radio.