0ur opinion:

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This USA Spec iPod lnterface Cable connects, controls, charges, and plays an iPod through the factory stereo system of vehicle brands. Get pure Digital Sound of your iPod into your factory radio. Also adds optional auxiliary input to connect any standard portable stereo device plus iPod connection.

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Buyer's feedback: - * good not great ...
Does what it is supposed to and allows for control both from the ipod controls and from the steering wheel controls

Contrary to another review, it does not disable the factory in dash cd changer, at least not on my 06 G35. You just hit the CD button on the head unit to toggle from internal changer to the ipod which the head unit now sees as an external changer. No issues.

The only thing it lacks is the ability to display track title info and time on the head unit. There are other adapters that have this feature but they cost more

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Buyer's feedback: - This adapter rocks!!
Just had it installed in my 350z - sound quality is awesome with my 1st gen nano. It lets you use your ipod or factory radio to navigate through songs. Only small gripe is skipping through songs from the factory radio has a little lag, but no big deal. Music automatically starts playing when you start the car and stops when you shut it off. Very nice...

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Buyer's feedback: - * Just what I needed ... ...
I looked for a long time at the various products out there for connecting ipods to car stereos. This one fit the bill. The only option I wish it had would be a display that could be mounted that showed track info. That would be a 5 in my book.

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Buyer's feedback: - Easy install and GREAT sound!
After a bit of research, I ordered a PA11-NIS from ShipSound. I installed the PA11 in my 2000 Maxima SE which took about 45 minutes start to finish. In general, installation was just about as easy as could have been hoped for. The cable running from the PA11 plugged right into the CD changer port on the back of the Bose HU. The harness for the remaining wiring (power, speakers, etc.) also snapped into place without issue. The cables are long so I did not have to worry about where I mounted the unit. The overall build quality seems seems good; the cables are thick and attach firmly, and the unit seems sturdy.

The bottom line: both the iPod and the aux inputs sound fantastic and the radio interface works just as advertised. The whole setup is well worth the increased cost from a cassette adapter or FM transmitter. Since the PA11 charges the ipod as well, there are no wires running around and no used 12v ports. If you care about how your music sounds and you have some DIY in you, this is definitely the way to go. I am very very pleased!

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Buyer's feedback: - * Incomplete Information About Product ...
I ordered this unit for my '01 Infiniti QX4. It says on Amazon that it would work for both my XM radio and iPod. WRONG!!! It also said nothing about the fact that I had to permanently disconnect my factory in-dash CD changer in order to use it. Amazon has a SEVERELY incomplete listing. Once I received the unit, I actually called USA Spec because the product box said I would need a special "adapter cable" from them (USA Spec) that also wasn't specified on the Amazon listing (I didn't need it, though). The woman that I spoke with at USA Spec wasn't half as knowledgeable as the gentleman from iPodCarParts, who regretfully and apologetically admitted that the Amazon listing was incomplete (he said he'd tried to remedy the situation several times with Amazon, to no avail). He then looked up my specific product and vehicle information, told me what the USA Spec unit would and wouldn't do, took me through a website to show me how to install it myself, and also told me he would refund me my full price plus shipping if I decided not to keep it.

So, does it work for my iPod? Yes. But, I no longer have the use of my CD changer and I still have to use the FM transmitter function of my XM MyFi unit in order to use it. For my particular unit, it will work with the Nav syatem but not XM. And, I didn't want to use it in "Direct" mode because I have roughly 9,000 songs and that is WAY too much to use the factory radio controls to navigate through it all. Best Buy said they would install it for $50 but I decided to try it myself (with the help of the gentleman at iPodCarParts). The installation was easy and only took me 45 minutes, even though the product provides extremely minimum installation instruction or diagrams.

All I can say is, do yourself a favor and call USA Spec before ordering this product and get the complete product description and compatibilty information for your vehicle. To me, it was worth the $100+ to have my iPod integrated directly into my factory stereo, even without the XM integration or the use of my CD changer. Only you can decide if it's worth it for you.