I emailed nissa to inquire about the E locker and to see if they have taken any steps with the RF sound system. It looks like Nissan does not realize the problem with the sound system....
Here ya go!
Dear Mr. Roy,
Thank you for taking the time to personally contact us about your
interest in Nissan products.
The Electronic Locker, which will be part of the Off Road package, goes
into production in April. They will be in stock at dealerships the
Summer of 2004. Also, there has not been any reports regarding reception of
the Rockford Fosgate. You may direct your inquire to our Consumer
Affairs department for additional information.
We hope that this information answers your question, but if you need
any additional information or have further questions, please let us know
by reply e-mail or by calling 1-800-647-7263 and pressing "0" for a
live operator.
Also, make sure to take a look at our website, www.NissanUSA.com, for
the most up-to-date product information.
At Nissan, we are committed to a high level of customer service.