This head unit is really nice to look at and has some great features. I purchased this with the XM and Bluetooth modules. Everything works great until you try to make a call while listening to the music through an iPhone plugged into the Kenwood iPhone cable. The music should stop allowing a conversation to occur. Instead, the music mutes momentarily and then starts playing directly through the phone making it impossible to have a conversation. This is not revealed in any review I've seen on this product. I called Kenwood today and spoke with "Tim". Tim's response was that they were aware of the issue, it wasn't Kenwood's problem and that I should call Apple. Had I known this was an issue and that Kenwood's customer support was so awful, I never would have purchased this unit. As long as you have a phone other than an iPhone, it works as advertised.