I am going to be purchasing a new cd/mp3 player to replace the stock one in my car, but I am wondering if I need to do anything to prep the replacement. I ask because the current deck takes up approx.

Q. I just read the review of the ZVOX AV855 home theater soundbar. We currently are using the ZVOX AV120. Is the AV855 better enough to warrant the upgrade? The ZVOX website is showing it sold out.